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Research and Reports in Tropical Medicine logoLink to Research and Reports in Tropical Medicine
. 2025 Apr 1;16:31–41. doi: 10.2147/RRTM.S518158

Seven Steps in Seven Days to Managing Allergy in the Tropics

Yibala Ibor Oboma 1,, Bassey Okon Ekpenyong 2, Matthew Chibunna Igwe 3, Judith Jepkosgei Chelimo 3, Yakubu Sunday Bot 1, Salma Osman Mohammed 1, Letticia Ikiomoye Beredugo 4, Okama Eko Ibiang 5, Umi Omar Bunu 3, Glory Mbe Egom Nja 3
PMCID: PMC11973120  PMID: 40196391

Abstract

Allergic conditions, including asthma, allergic rhinitis, and atopic dermatitis, are increasingly recognized as critical global health concerns in tropical regions. The unique environmental characteristics of the tropics, such as high humidity, diverse vegetation, persistent pollen exposure, and elevated levels of mold and insect allergens, increase the prevalence and severity of allergic diseases. Addressing these challenges requires tailored strategies that are both practical and evidence-based. This review introduces a comprehensive seven-day and seven-step framework for managing allergies in tropical climates. This is designed to empower individuals with actionable steps and scientifically supported interventions. Databases such as PubMed, Scopus, Web of Science, and EMBASE were used. The search strategy includes specific keywords and Medical Subject Headings (MeSH) terms related to allergies or offering insights into preventive measures. The plan encompasses a structured approach, beginning with identifying triggers and creating an allergen-friendly environment. Symptoms management, prevention of cross-contamination, dietary optimization, and long-term evaluation. Emphasis is placed on the adaptability of these measures to resource-constrained settings in tropical regions by integrating modern scientific insights with practical, step-by-step guidance. This framework addresses the distinct challenges of managing allergies in tropical environments but also highlights the importance of education, environmental control, and community-level engagement. This review underscores the need for sustainable and locally relevant solutions to improve health outcomes and enhance the quality of life for individuals living in tropical climates.

Keywords: allergy, tropics, management, challenges

Introduction

Allergic diseases, including asthma, allergic rhinitis, atopic dermatitis, and food allergies, have become pervasive global health concerns, with an increasing prevalence in developing regions. The tropical climate, characterized by high humidity, warm temperatures, and unique vegetation, presents an environment conducive to the proliferation of allergens such as mold, dust mites, pollen, and insect bites, all of which can aggravate allergic reactions.1,2 Environmental factors and limited access to health care in tropical regions are challenging, making the management of this allergy. The prevalence of allergies in tropical regions underscores the need for region-specific management strategies. Studies have reported that high humidity in tropical areas promotes the growth of indoor allergens like dust, mites, and mold spores, which are linked to respiratory conditions such as allergic rhinitis and asthma.3 Also, seasonal patterns in tropical regions differ from those in temperate zones, resulting in diverse patterns of allergen exposure and symptom exacerbation.4 Given these challenges, this review presents a comprehensive seven-day plan for managing allergies tailored to the tropical climate. Each day and each step focuses on a specific aspect of allergy management, ranging from identifying triggers and improving the living environment to implementing treatment strategies and ensuring proper hydration and nutrition.

Aim

This review aims to provide a practical, evidence-based framework that addresses immediate allergy symptoms and promotes long-term management and prevention. This structured plan integrates scientific understanding with actionable steps, bridging the gap between clinical recommendations and the practical realities of allergy management in tropical regions. Addressing these unique environmental and healthcare challenges, the importance of personalized and adaptable approaches to improving the quality of life of individuals living with allergies is inevitable.

Rationale

Allergic diseases, including asthma, allergic rhinitis, eczema, and food allergies, have become a significant global public health challenge, with increasing prevalence across all age groups and geographic regions. The complexity of these conditions lies in the diverse and multi-factorial mechanisms that drive allergic responses, including genetic, environmental, and immunological factors. Thus having an understanding of these mechanisms is critical for allergies diagnosis, treatment, and prevention of allergies. Yet the management basin remains fragmented and inconsistent across different healthcare systems, particularly in the tropics.

Search Strategy

The review on seven steps in seven days to manage allergy adopted a systematic and integrative approach that encompasses literature collection, data extraction, synthesis, and analysis. The research team conducted a comprehensive literature search and critically analyzed studies that examined the impact of Allergy, focusing on key aspects such as steps to identify triggers to management. The team reviewed both contemporary and older papers on Allergy in the tropics. This comprehensive search was conducted using numerous databases namely; Web of Science, Scopus, PubMed, and EMBASE. The search only included peer-reviewed literature published in English. The article selection method was based on the 2020 Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) standards. The search strategy used include specific keywords and Medical Subject Headings (MeSH) terms related to allergic diseases.

Inclusion and Exclusion Criteria

Original articles conducted on allergies were included in the study. Studies conducted in other areas were excluded Review articles, editorials, letters to the editor, and case reports were also excluded.

Proposed Steps

Day 1-Step 1: Identify Your Triggers

Understanding the etiology of a disease is a major process in management. Identifying specific triggers is crucial, especially in tropical regions with abundant environmental allergens. Common allergens in the tropics include dust mites, mold spores, pollen, insect bites, and certain foods.5 The first step in the seven-day plan will be to identify these triggers. An allergy diary is a simple yet effective tool for recording daily symptoms, the time of occurrence, and potential exposures. By tracking patterns over time, individuals can correlate symptoms with specific activities, environments, or dietary intake. This method is useful in tropical climates where fluctuating humidity levels and seasonal changes can influence allergen presence.6 Diagnostic tools such as skin prick or serum-specific IgE testing can identify allergens responsible for hypersensitivity reactions.1,3 Studies show that mold spores, which thrive in humid conditions, are a significant cause of respiratory allergies in tropical regions7. Environmental factors such as prolonged rainy seasons and dense vegetation exacerbate pollen and insect-related allergies.4 Identifying these triggers is a fundamental step in creating an effective treatment plan. Distinguishing allergic reactions and other conditions with overlapping symptoms, such as tropical infections or irritant-induced reactions is crucial on day one, step 1. Overlap between symptoms of allergies and endemic diseases such as malaria and dengue can complicate diagnosis.8 Individuals can begin by identifying easily modifiable triggers such as household dust or specific foods, as presented in Table 1 and Figure 1.

Table 1.

Analysis of the Cyclical Process and Connectivity of the Steps

Step Key Actions Connections to Other Steps Scientific Basis
Step 1: Identify Your Triggers Allergy tests, symptom tracking, food elimination trials, environmental assessments. Directs Step 2 (modifying the environment to reduce allergens). Informs Step 3 (treatment plan development). Crucial for Step 7 (review and adjustments). Accurate trigger identification reduces unnecessary interventions9
Step 2: Create an Allergy-Friendly Environment Reduce mold, use HEPA filters, minimize dust, control humidity, avoid pets if allergic. Informs Step 4 (symptom reduction through environmental control). Helps Step 5 (avoiding allergen cross-contact). High humidity increases mold and dust mites, exacerbating allergies10
Step 3: Develop a Treatment Plan Personalized medication, immunotherapy, emergency epinephrine, lifestyle adjustments. Links with Step 4 (managing symptoms effectively). Adjusted based on Step 7 (review and modifications). Allergy medications and immunotherapy improve tolerance11
Step 4: Management of Symptoms Use antihistamines, corticosteroids, nasal sprays, emergency care for anaphylaxis. Connected to Step 3 (treatment adjustments based on symptom severity). Helps in Step 6 (hydration supports medication effectiveness). Prompt symptom control prevents long-term complications12.
Step 5: Avoid Cross-Contamination Food allergen labeling, personal hygiene, cleaning shared surfaces, allergen-free cooking. Supports Step 2 (maintaining an allergen-free home). Enhances Step 6 (nutritional balance and hydration). Food allergies require strict separation to prevent reactions13
Step 6: Stay Hydrated and Healthy Drink water, eat anti-inflammatory foods, exercise, maintain good sleep hygiene. Helps Step 4 (symptom relief through proper hydration). Affects Step 3 (treatment efficacy can depend on nutrition and hydration). Hydration reduces histamine levels and supports the immune system14
Step 7: Review and Adjust Track symptoms, monitor treatment response, modify avoidance strategies. Feeds back into Step 1 (if new allergens emerge). Directly impacts Step 3 (adjusting medications) and Step 2 (modifying home environment). Allergy symptoms fluctuate seasonally, requiring periodic reassessment9

Figure 1.

Figure 1

Flowchart: The Cyclical Connectivity of the Seven Steps Flowchart Representation.

Day 2-Step 2: Create an Allergy-Friendly Environment

Creating an environment that minimizes exposure to allergens is critical in managing allergies. It is important to note that high humidity and warm temperatures promote allergen proliferation. Tropical climates favor the growth of dust mites, mold, and other indoor allergens, while outdoor allergens like pollen and insect debris are also prevalent.7 By addressing these environmental factors, individuals can significantly reduce allergy symptoms and improve overall quality of life in the tropics. Regular cleaning practices, dusting, vacuuming, and mopping reduce allergen accumulation. A vacuum cleaner with a high-efficiency particulate air (HEPA) filter helps trap small allergenic particles effectively at home. Additionally, keeping windows closed during peak pollen seasons can reduce the infiltration of outdoor allergens.6 Covering mattresses, box springs, and pillows with allergen-proof encasement can create a barrier against dust mites. Washing bedding weekly in hot water (at least 60°C) also helps eliminate mites and their droppings.15 High humidity supports the growth of mold and dust mites and therefore maintaining indoor humidity levels below 50% is recommended. This can be achieved using dehumidifiers or air conditioning systems.16 Similarly, proper ventilation helps reduce indoor mold spore levels. Studies have reported higher pollen counts during certain times of the day, making it advisable to limit outdoor activities during these periods.4 Limited access to HEPA filters, allergen-proof materials, and dehumidifiers in resource-limited settings as well as difficulty in controlling environmental allergens in shared or poorly ventilated living spaces are serious challenges. However, innovative solutions such as using natural desiccants (eg, silica gel or activated charcoal) to control humidity levels can be effective alternatives. Community awareness programs focusing on allergen control can also help educate individuals on creating allergy-friendly environments in low-resource areas. See Figure 1

Day 3-Step 3: Develop a Treatment Plan

Developing an individualized treatment plan is pivotal in allergies in tropical climates where diverse allergens and unique environmental factors contribute to allergic reactions. A tailored approach ensures treatment that addresses the patient’s specific triggers, symptoms, and medical history, optimizing outcomes.17 Consulting a clinician or allergist is essential for creating a personalized treatment plan. Allergy testing, such as skin prick or serum-specific IgE tests, can help identify triggers.18 In tropical regions, healthcare providers may focus on prevalent allergens like mold, dust mites, or insect bites. Patients should be educated about their prescribed medications, including their mechanism of action, dosage, and potential side effects. Common options include immediate relief of symptoms like sneezing, itching, and runny nose. Corticosteroids are usually used to manage inflammation in allergic rhinitis or asthma. Decongestants to alleviate nasal congestion, but with cautious use to avoid side effects. Tropical allergies often involve multifactorial triggers, making treatment plans complex. Studies highlight the importance of integrating pharmacological and non-pharmacological interventions for comprehensive care.19 For example, antihistamines are widely used as first-line therapy, while intranasal corticosteroids are recommended for persistent allergic rhinitis. Immunotherapies, although less accessible in low-resource tropical areas, have proven efficacy in reducing long-term allergic sensitivity. Subcutaneous and sublingual Immunotherapy options have shown positive outcomes in tropical allergy patients exposed to dust mites and pollen.20 Challenges include limited access to allergy specialists and advanced diagnostic tools in some tropical regions, high cost and availability for advanced treatments like Immunotherapy, and medication non-compliance due to lack of awareness or fear of side effects. To address these challenges, healthcare providers in the tropics can adopt innovative approaches, such as telemedicine for remote consultations and locally sourced remedies to improve accessibility. Education campaigns about the safety of over-the-counter antihistamines and decongestants can also help empower patients.

Day 4-Step 4: Management of Symptoms

Symptoms management is a cornerstone in allergy control, particularly in tropical climates where allergens like pollen, mold, and dust mites are abundant year-round. The goal is to alleviate discomfort, improve quality of life, and prevent complications through pharmacological and non-pharmacological strategies.21 Adherence to prescribed medications helps moisturize nasal passages, thin mucus, and flush out allergens, offering symptomatic relief without side effects.22 Symptoms management strategies must account for the unique challenges in tropical environments like high humidity, and prolonged exposure to allergens. Studies indicate that intranasal corticosteroids are highly effective in treating allergic rhinitis, particularly in patients with persistent symptoms.23 Non-pharmacological approaches like saline nasal irrigation have gained attention for their efficacy in reducing symptom severity and improving overall nasal health. These methods are especially beneficial in tropical settings where access to advanced medical care may be limited. Misuse or overuse of over-the-counter medications, leading to side effects such as rebound congestion should be avoided. Poor adherence to prescribed treatment plans due to lack of awareness or access and also difficulty in distinguishing allergy symptoms from other tropical diseases with overlapping symptoms (eg, respiratory infections). Healthcare professionals should provide clear instructions on medication use and emphasize the importance of adherence, early warning signs of severe allergic reactions and seeking timely care. See Figure 1

Day 5-Step 5: Avoid Cross-Contamination

Avoiding cross-contamination is crucial in minimizing allergen exposure and preventing symptoms exacerbation. Allergens like pollen, dust mites, molds, and pet dander are prevalent in the tropics, making hygiene and cleanliness components of allergy management.24 Regular hand washing helps prevent allergens from being transferred to the eyes, nose, or mouth, where they can trigger symptoms. Using soap and clean water or alcohol-based sanitizers is essential, especially after coming into contact with potential allergens. Use damp clothing to wipe surfaces and reduce allergen buildup, clean floors, countertops, and frequently touched areas daily to minimize dust accumulation. Disinfect shared spaces to prevent the spread of allergens in households or work environments. Change and wash clothes after spending time outdoors to avoid bringing pollen or other allergens inside. Cross-contamination of allergens is a significant issue in tropical climates, where high humidity encourages the proliferation of mold and dust mites. Studies show that frequent cleaning and use of allergen-impermeable materials can reduce exposure contamination significantly.25 In tropical settings, simple measures like wearing a mask outdoors or using air purifiers can also help mitigate allergen exposure.26 High humidity promotes mold growth and dust mite survival. Many households in tropical regions lack access to advanced cleaning equipment like HEPA vacuum cleaners or dehumidifiers. Cultural practices of indoor-outdoor living styles may increase allergen exposure and major challenges. Education campaigns should focus on promoting affordable and practical cleaning methods tailored to resource-limited settings. Processes like soaking clothes in a mild detergent or bleach solution can enhance allergen removal efficiently without additional costs and can offer major solutions to these challenges.

Day 6-Step 6: Stay Hydrated and Healthy

Staying hydrated and maintaining overall health is integral to managing allergies, particularly in tropical climates where dehydration and nutritional deficiencies may exacerbate allergic symptoms. Proper hydration helps thin mucus, promotes better respiratory function, and supports the immune system, while a balanced diet strengthens the body’s defense mechanisms.27 Adequate hydration helps maintain the mucosal barrier in the respiratory tract and reduces allergen penetration. Hydration helps to maintain mucosal health and reduces respiratory system inflammation. Research highlights that water intake helps thin mucus, making it easier to clear allergens from the nasal and bronchial passages.28 Consuming a balanced diet like nutrient-dense foods such as fruits, vegetables, lean proteins, and whole grains, including anti-inflammatory foods like omega-3 fatty acids, vitamin C, and flavonoids, can help modulate allergic responses. Identify and eliminate any dietary allergens that may worsen symptoms (eg shellfish, peanuts). Mediterranean-style diets rich in antioxidants and omega-3 fatty acids have shown promise in reducing allergic inflammation and enhancing immune resilience.29 In contrast, diets high in processed foods and saturated fats may increase inflammation and worsen symptoms. High temperatures and humidity can lead to rapid fluid loss, making hydration a priority. Limited access to nutrient-dense foods: In some tropical regions, poverty and food insecurity may limit access to fresh, allergen-free options. Public health initiatives in the tropics should be focused on training communities about the importance of hydration and balanced diets in allergy management. Efforts to improve access to clean drinking water and affordable nutrient-dense foods can significantly enhance health outcomes.

Day 7-Step 7: Review and Adjust

The final day of the seven-day plan emphasizes reflection, evaluation, and refinement of the allergy management strategy. Regular reviews ensure the plan remains effective and adaptable to changing conditions, especially in tropical climates where allergen exposure can vary significantly.30 Assessing the effectiveness of the steps taken over the past days so as to identify any persistent symptoms or new triggers. Collaboration with healthcare professionals to refine the treatment plan based on observed outcomes and incorporate feedback from your allergy diary to address specific challenges. Staying informed by keeping up-to-date on advancements in allergy management, such as new medications, diagnostic tools, or preventive strategies, and engaging with online or local support groups to share experiences and gain insights from others managing allergies. Studies show that regular follow-ups with allergists or healthcare professionals improve symptom control and patient satisfaction.31 In tropical climates, where allergen exposure is dynamic, periodic adjustments are essential to maintain efficacy. Education also plays a pivotal role; access to reliable information empowers individuals to make informed decisions about their health. Digital platforms, mobile apps, and public health initiatives can bridge gaps in allergy knowledge in resource-constrained settings.32 In many tropical regions, healthcare services are overstretched, making regular evaluations difficult. Seasonal changes, agricultural activities, and climate variability can influence allergen exposure, requiring frequent plan modifications, which are major challenges. Low health literacy levels may hinder understanding and implementation of allergy management plans and therefore practical majors such as mobile-based symptom trackers, to aid in monitoring progress. Promoting telemedicine services for follow-up consultations in areas with limited healthcare access. Enhancing community awareness programs to improve understanding of allergies and their management should be practiced as major key remedies to the challenges as presented in Table 1

Epidemiology and Mortality of Allergy

In tropical regions, the burden of allergic diseases is particularly significant due to unique climatic conditions, biodiversity, and living standards. Allergic diseases affect approximately 20–30% of the global population, with rates of asthma, rhinitis, and atopic dermatitis steadily increasing.33 The tropical regions, characterized by high humidity, year-round pollen exposure, and increased mold proliferation, experience higher incidences of allergic respiratory and skin conditions.34 Epidemiological Patterns of specific allergic diseases differ with asthma ranging from 5–15%, with urban children being disproportionately affected due to pollution and poor housing. Allergic Rhinitis affects 10–25% of the tropical population, with year-round symptoms attributed to perennial allergens like dust mites and molds. Skin allergies are highly prevalent, especially in children, due to exposure to insect bites, heat, and sweat-induced irritation.35 Major epidemiological drivers in the tropics have been identified as warm and humid climates which promote the growth of dust mites, molds, and pollen.36 High vegetation density also contributes to continuous pollen exposure throughout the year.37 Indoor allergens from poor housing conditions, such as cockroach and rodent allergens, are also prevalent. Limited access to healthcare, diagnostic tools, and allergy management resources affects epidemiological outcomes in tropical settings.38

While allergies are often perceived as non-life-threatening conditions, they can lead to significant morbidity and, in severe cases, mortality. The mortality associated with allergies in tropical regions often stems from severe asthma attacks, anaphylaxis, and untreated allergic reactions. Lack of awareness about allergies and their management contributes to delayed medical intervention, particularly in rural areas.39 Asthma, often triggered by allergens like dust mites and pollens, accounts for a significant proportion of allergy-related deaths in the tropics. Studies estimate that 250,000 deaths annually are due to asthma, with higher rates in low-income tropical regions.33 Asthma-related deaths are high in tropical regions due to delayed diagnosis and lack of access to life-saving medications, such as inhaled corticosteroids and bronchodilators.40 Sub-Saharan Africa, for example, records asthma mortality rates as high as 30 per 100,000 annually, attributed to environmental triggers and healthcare access disparities.34 Fatal allergic reactions to insect stings, foods, or medications are underreported but contribute to mortality, especially in regions with limited access to emergency care.38 Mortality rates for untreated anaphylaxis can exceed 1% due to delayed recognition and lack of emergency epinephrine.35 Chronic allergic inflammation can lead to secondary infections, respiratory failure, or cardiovascular complications, further increasing the risk of death. Chronic allergic conditions, such as atopic dermatitis, increase susceptibility to secondary infections in tropical climates, potentially leading to severe complications. Similarly, untreated allergic rhinitis can exacerbate asthma, increasing the risk of life-threatening exacerbations.38 Increase access to diagnostic tools and emergency care in tropical regions can reduce allergy-related deaths. Community-level interventions to recognize symptoms of severe allergic reactions and seek prompt care are essential. Also subsidized healthcare for allergy management and increased research funding are critical to reducing the mortality burden.

Challenges in Tropical Allergy Management

Managing allergies in tropical climates presents unique challenges due to environmental, socioeconomic, and healthcare-related factors. These challenges can hinder the effectiveness of conventional allergy management strategies and necessitate tailored approaches to address region-specific issues.41 High humidity and mold proliferation foster the growth of mold in tropical areas. Studies show that individuals in tropical climates are more likely to develop mold-related respiratory issues.42 Tropical regions have dense vegetation, which contributes to year-round pollen exposure. Also, winds and seasonal agricultural activities can spread pollen and other particulates, worsening allergic reactions. Also, the increased prevalence of insects, such as mosquitoes and mites, venom, and saliva allergens from stinging or biting insects pose a higher risk of allergic reactions and sensitization.

Many tropical countries lack allergists and specialized diagnostic tools, making accurate diagnoses and effective treatment difficult. Adequate diagnostic is often unavailable or unaffordable with misdiagnosis or delayed diagnosis due to reliance on non-specialist healthcare providers. Poverty limits access to medications, allergen-proof bedding, and other preventive measures. Out-of-pocket expenses for consultations and treatments deter individuals from seeking care. Traditional healing practices often conflict with modern allergy management techniques in allergy. This is due to a lack of awareness about allergens leading to misconceptions about allergy causes and treatments. Low health literacy affects understanding of allergies, and their triggers. Management is yet another barrier accelerated by poor funding in public health campaigns on allergy awareness. Poor investment in allergist training programs and establishing regional allergy diagnostic centers, unaffordable medications, and poor initiatives to improve understanding of allergy triggers and management with local media and community are challenges.

Future Directions in the Management of Allergy

Addressing allergy management in tropical regions requires innovative approaches to overcome existing challenges and leverage emerging advancements in medical science and technology. This section explores key areas for future research, interventions, and policy changes to improve allergy management in tropical climates. Development of Rapid Point-of-Care Tests: Affordable and portable diagnostic tools tailored for tropical allergens (eg, mold, dust mites, pollens). Emerging technologies like biosensors for real-time detection of allergen-specific IgE levels.39 Genetic and Molecular Profiling: Leveraging genomic tools to identify susceptibility genes linked to allergic diseases. Molecular profiling to enhance personalized allergy treatment in diverse tropical populations. Research on Climate-Driven Changes: Investigating how rising temperatures and altered precipitation patterns affect allergen distribution and concentration. Examining the role of urbanization in amplifying allergenic triggers.34 Sustainable Urban Planning: Incorporating green spaces and pollen management strategies in city designs to reduce allergen exposure. Promoting the use of low-allergen landscaping in tropical urban areas.

Integration of Traditional and Modern Medicine. Studying Traditional Remedies: Research on the efficacy and safety of herbal treatments commonly used in tropical regions. Incorporating validated traditional remedies into evidence-based allergy care.38 Community-Based Programs: Training local health workers to integrate traditional practices with modern diagnostic and treatment methods. Bridging gaps between traditional healers and healthcare providers to enhance patient outcomes. Use of mobile apps and teleconsultations to provide allergy care in remote areas. Platforms for real-time tracking of symptoms, medication adherence, and environmental allergen exposure.37 Artificial Intelligence (AI) in Allergy Management: AI-driven algorithms to predict allergy trends and recommend preventive measures. Smart inhalers and wearable devices for monitoring respiratory conditions linked to allergies.

Establishing national guidelines for allergy care in tropical regions. Enhancing funding for allergy research and healthcare infrastructure. Education and Awareness Campaigns: Promoting public health education on allergy prevention and management. Collaborating with schools and workplaces to create allergen-safe environments. Conducting comparative studies between tropical and non-tropical regions to understand unique allergen dynamics. Building global research networks for knowledge exchange on tropical allergy management. International Funding Opportunities: Leveraging grants from global health organizations to support local allergy research. Partnerships with pharmaceutical companies for affordable allergy medications.

Allergies and Public Health Concerns

Allergies are a significant source of morbidity globally, imposing a substantial strain on the healthcare systems of both developed and emerging economies. Conditions associated with allergies, such as asthma, rhinosinusitis, atopic dermatitis, and severe allergies to food, medications, and stinging insects, affect at least 30% of the population and around 80% of households. Recent studies indicate a global increase in their occurrence.43–48

The respiratory system is the most commonly affected organ, as inhaled allergens often trigger allergies. Potential routes for allergen entry into the respiratory tract include the lungs, blood, and nasal mucosal surfaces. Asthma is a chronic respiratory disease characterized by transient and reversible symptoms, while allergic rhinitis (AR) is marked by nasal congestion, rhinorrhea, sneezing, and itching. Food allergies occur due to an immediate immune response to normally harmless food proteins upon ingestion. Asthma, AR, and food allergies correlate with significant impairment to quality of life, concerns about symptoms, missed days from school or work, visits to healthcare providers, as well as morbidity and mortality linked to comorbidities with other diseases49. The impact of allergic reactions can range from mild annoyance to life-threatening responses. The medical expenses related to allergic rhinitis and asthma are estimated at $10 billion annually, primarily due to lost time at work and school as well as the cost of medications. Additionally, complementary medicines and alternative approaches for treating allergic diseases create an estimated $4 billion in indirect costs for allergic rhinitis and $6 billion in lost work time due to family conditions.50,51 The global increase in the prevalence of allergic diseases presents a significant concern, shifting expenditures from purely medical to broader social costs. Factors contributing to this health decline include influences from a globalized market economy and worldwide trade, advancements in technology, an aging population, and the emergence of a new pharmacological industry focused on personalized prescriptions and costly yet effective care.52–54

Several allergy management strategies have been successfully explored and are readily available. If administered early, antihistamines and corticosteroids efficiently reduce allergy symptoms, particularly nasal and ocular symptoms. However, a management plan is recommended to identify the patient’s most undesirable symptom(s) and allergic trigger(s), followed by formal allergy testing via the patient’s case history and physical examination. Communication between healthcare providers and patients should be prioritized, as shared decision-making and information on the natural history of allergic rhinitis and allergic rhinitis treatment contribute to positive changes in rhinitis symptoms.55 Medical services providing expert allergy care require enhancement in many countries. Greater awareness of the morbidity and potential mortality linked to allergic diseases, the chronic nature of these conditions, and the importance of consulting a physician with expertise in allergies, asthma, and clinical immunology is essential. Worldwide, there is a need for adequate health education focused on the definition, etiology, pathogenesis, appropriate therapies, and prevention of allergic diseases. Increasing awareness of allergic diseases as a significant public health issue could foster better recognition by governments and health authorities. Programs aimed at raising awareness of allergic diseases should address their causes, prevention, control, and economic impact, and physicians should treat patients with allergic diseases with the necessary training and skills to utilize effective medications for optimal management43,56–58. A comprehensive and coordinated strategy involving various allergists, public health experts, professionals from multiple disciplines, relevant stakeholders, care professionals, and the general public, utilizing local, national, and intergovernmental agencies and capabilities from academia, industry, and community organizations is critical in addressing the significance and consequences of allergic diseases as a public health matter.43

Cyclical Process of Connectivity in the Theoretical Framework: “Seven Steps in Seven Days to Managing Allergy in the Tropics”

Managing allergies in tropical regions requires an iterative, cyclical approach due to constant environmental and lifestyle changes. The Seven Steps in Seven Days to Manage Allergy in the Tropics framework forms a continuous loop where each step informs the next, with periodic review and adjustments ensuring long-term allergy control.59

The Importance of the Feedback Loop

The connectivity between steps ensures that allergy management remains adaptive and responsive to changing conditions:

  1. Continuous Symptom Monitoring (Step 7 → Step 1): If new allergy triggers emerge, the process restarts from Step 1 to reassess allergens and environmental influences.44

  2. Environmental and Lifestyle Adjustments (Step 2 → Step 6 → Step 7): Seasonal changes in the tropics can increase pollen or mold exposure, requiring home environment modifications and hydration strategies.10

  3. Treatment Refinement (Step 3 → Step 4 → Step 7): Medications may need adjustment based on symptom control effectiveness, ensuring optimal management.11

  4. Preventing Severe Reactions (Step 5 → Step 4 → Step 7): Avoiding allergen cross-contact reduces emergency episodes, improving long-term health outcomes.13

The Seven Steps in Seven Days to Managing Allergy in the Tropics framework operates as a cycle rather than a linear sequence. Each step feeds into the next while the Review and Adjust (Step 7) component ensures continuous improvement and adaptation. By implementing this structured and cyclical approach, individuals can effectively minimize allergic reactions, improve their quality of life, and adapt to environmental changes in tropical climates see Table 1 and Figure 1.

Conclusion

Effective allergy management in the tropics requires a multifaceted approach tailored to the unique environmental, social, and healthcare challenges of the region. The seven-step, seven-day plan offers a practical and evidence-based framework for individuals and healthcare providers to address allergy triggers, develop treatment strategies, and implement preventive measures. Key takeaways are the identification of triggers, Personalized interventions: Environmental control: Long-term monitoring, and adaptation: The framework underscores the importance of health system strengthening in tropical regions, emphasizing the need for accessible diagnostics, public health education, and research funding. Integration of traditional and modern medical practices could provide culturally acceptable and effective solutions for allergy management in resource-constrained settings. Advancements in technology, global collaboration, and climate-aware healthcare policies will further enhance the ability to mitigate the burden of allergies in tropical regions. By prioritizing prevention, personalized care, and sustained research, healthcare providers can improve quality of life for individuals while addressing the broader public health challenges posed by allergies in tropical environments.

Disclosure

The authors report no conflicts of interest in this work.

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