A drug allergy is referred to as a state in which the immune system of the body reacts abnormally to certain drugs and medications. This may be because the immune system of the patient is sensitive to the medicine, or the patient suffers from certain illnesses such as HIV/AIDS, has a history of other allergies or takes a number of different drugs. One should take a blood test in order to be aware of the substances they might be allergic to.
HOW IS DRUG ALLERGY DIAGNOSED?
The various signs and symptoms of this condition are vomiting, itchy and watery eyes, breathing problems, hives, red skin rashes, and light-headedness.