Drugs causing urticaria

See more images of urticaria. What is drug-induced urticaria? Drug-induced urticaria is the term used when urticaria is caused by a drug, most often penicillin, a non-steroidal anti-inflammatory agent (NSAID), or sulfamethoxasole in combination with trimethoprim (see Sulfa drugs and the skin).

Any drug is capable of producing an acute allergic reaction manifested by acute urticaria but antibiotics, particularly penicillin, remain the commonest cause of an acute urticarial drug reaction. Non-steroidal anti-inflammatory drugs including aspirin are other common drugs causing acute urticaria/angioedema.

In this sense, antihistamines may cause fixed drug eruptions, urticaria and other hypersensitivity reactions.

Common causes of acute urticaria are infections and adverse reactions to medications and foods, whereas in chronic urticaria the cause is often

drugs and the skin). The drug may be ingested or applied to the skin surface Drugs that are known to cause urticaria. Drugs that are known to cause

The most common antibiotics causing urticaria are beta-lactams, sulfonamides, and tetracyclines. Nitrofurantoin can cause fixed drug eruption and drug-induced

As a rule, drugs are thought to be responsible for 10% of all cases of urticaria and they are more often associated with acute rather than chronic urticaria. The clinical features of drug-induced urticaria are indistinguishable from other causes and consist of itchy wheals that last less than 24 h.

Acute urticaria can be effectively treated with a non-sedating antihistamine Viral infection is a common cause of urticaria in children; Urticaria may

See more images of urticaria. What is drug-induced urticaria? Drug-induced urticaria is the term used when urticaria is caused by a drug, most often penicillin, a non-steroidal anti-inflammatory agent (NSAID), or sulfamethoxasole in combination with trimethoprim (see Sulfa drugs and the skin).