Table 1.

Diseases and clinical conditions associated with AHA (adapted from AICE Recommendations 2020).

Diseases or Clinical Conditions	Characteristics
Oncologic diseases	Multiple myeloma, lymphomas, monoclonal gammopathy of uncertain significance (MGUS), myelofibrosis, myelodysplasia
Rheumatic diseases	Rheumatoid arthritis, systemic lupus erythematosus, Sjogren’s syndrome, Goodpasture’s syndrome, temporal arteritis, myasthenia gravis, thyroiditis, multiple sclerosis
Infectious diseases	SARS-CoV-2, Epstein Barr virus, hepatitis B/C viruses, Human Immunodeficiency virus
Dermatological diseases	Psoriasis, pemphigus
Pregnancy or Puerperium	Within 1-4 months of delivery or miscarriage
Drugs	Some beta-lactam antibiotics, chloramphenicol, sulfonamides, clopidogrel, nonsteroidal anti-inflammatory drugs (NSAIDs), fludarabine, interferon alpha
Other diseases	Asthma, chronic obstructive pulmonary disease, acute hepatitis