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. 2013 Feb 26;5(1):31–38.

Table 2: Health hazards of formalin13,14,15.

ORGAN SYSTEM ADVERSE EFFECTS
Skin & mucous membrane Irritation of the mucous membranes of the mouth and upper respiratory tract, allergic contact dermatitis
 
 
Respiratory system Sneezing, coughing, laryngospasm, pulmonary edema, temporary reversible decrease in lung function, degenerative diseases, inflammatory and hyperplastic changes of the nasal mucosa, asthma, chronic rhinitis, loss of olfactory functioning
 
 
 
 
Eye Irritation, lacrimation, conjunctivitis
Gastrointestinal tract Irritation, nausea, vomiting, diarrhoea, loss of appetite, burns and ulceration, abdominal pain, gastrointestinal hemorrhage, pharyngeal congestion, chronic pharyngitis
 
 
 
Cardiovascular system Tachypnoea, nodal tachycardia
Central nervous system Dizziness, depression, headaches, sleep disorders, memory loss, convulsions and coma
 
Haematopoietic system High serum alanine-amino transferase (ALT), Lower RBC, WBC, platelet and hemoglobin counts
 
Renal system Renal failure
Reproductive system Menstrual disorder, dysmenorrhea and spontaneous abortion