A skin reaction that is caused by taking a medication. Drug eruptions are caused by a sensitivity or allergy to some medications. Symptoms range from a mild rash to life-threatening anaphylaxis. Penicillin and related drugs are the most common causes of allergic reactions. Iodine-based drugs used as contrast mediums for X rays also cause reactions in some people.
Dermatitis produced in some patients by application or ingestion of drugs. Drug rashes usually appear on the trunk (chest and back).
A negative, allergy-induced response triggered by either consuming or applying a specific medication to the skin is known as a drug eruption. It typically presents itself as a skin rash.