What are the common morphologies of drug eruptions?

Updated: Oct 14, 2020
  • Author: Jonathan E Blume, MD; Chief Editor: Dirk M Elston, MD  more...
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Drug eruptions can mimic a wide range of dermatoses. The morphologies are myriad and include morbilliform (most common, see image below), urticarial, papulosquamous, pustular, and bullous. Medications can also cause pruritus and dysesthesia without an obvious eruption. Both calcium channel blockers and interferon are strongly associated with eczematous eruptions.

Morbilliform drug eruption. Morbilliform drug eruption.

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