an immunologically mediated reaction that exhibits specificity and recurrence on re-exposure to the offending drug
a rare condition in which the body's immune system responds to a drug and causes adverse health effects
a specific type of reaction involving the same immune-system cells and chemicals that cause hay fever, peanut allergy and allergic contact dermatitis
a type of harmful (adverse) reaction to a medicine
a type of harmful, or adverse, drug reaction (such as a side effect or a reaction from taking more than one type of medicine)
hypersensitivity to a drug such as anaphylaxis, cutaneous reaction.
An abnormal sensitivity to a medication, usually manifested by rash and, sometimes, fever.
