morbilliform exanthem - HEALTHIES
Morbilliform drug eruption is the most common form of drug eruption. Many drugs can trigger this allergic reaction, but antibiotics are the most common group. The eruption may resemble exanthems caused by viral and bacterial infections.
Understanding the Context
A morbilliform skin rash in an adult is usually due to a drug. Exanthematous drug eruption, also known as a morbilliform or maculopapular drug eruption, is the most common type of drug hypersensitivity reaction [1]. Diagnosis of exanthematous drug eruption should be suspected in a patient receiving drug treatment who presents with a new onset rash. Exanthematous drug eruption (EDE; also known as morbilliform drug eruption) is the most common of all medication-induced drug rashes.
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It consists of red macules and papules that often arise on the trunk and spread symmetrically to involve the proximal extremities. An exanthem is any eruptive skin rash that may be associated with fever or other systemic symptoms. Causes include infectious pathogens, medication reactions and, occasionally, a combination of both. Many viral illnesses and medicines can cause a measles-like rash known as a morbilliform rash. Learn the causes, symptoms, and when to call a doctor.
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The term morbilliform refers to a rash that looks like measles. [1][2] The rash consists of macular lesions that are red and usually 2–10 mm in diameter but may be confluent in places. [3] Morbilliform eruptions are a clinical reaction pattern characterized by erythematous macules and papules that coalesce into patches and progress, typically centrifugally, generalizing over most of the skin surface. A morbilliform reaction is the most common presentation of a drug eruption, accounting for 95% of all drug eruptions.6 Morbilliform is defined as a rash resembling measles and is clinically depicted by erythematous macules and/or papules, often coalescing into larger plaques.