Factors that Increase the Risk of Allergic Reactions
Chronic diseases that require continuous or frequent courses of therapy with the same or cross-reactive drugs
Some allergic reactions are more likely to occur with certain infections
- e.g. Aminopenicillins with EBV infection,
- Sulfonamides with AIDS patients
Atopy, a genetically determined state of hypersensitivity, manifested as asthma, hay fever, and atopic dermatitis
History of other drug allergy
Family history of allergic drug reactions