Fundamental concepts on allergic reactions to drugs.
D000485:Allergens; D003165:Complement System Proteins; D004342:Drug Hypersensitivity / Q000145:classification / Q000175:diagnosis; D006801:Humans; D007073:Immunoglobulin E
D000485:Allergens; D007073:Immunoglobulin E; D003165:Complement System Proteins