Fixed drug reaction
Medical condition
From Wikipedia, the free encyclopedia
Fixed drug reactions are common and so named because they recur at the same site with each exposure to a particular medication.[1] Medications inducing fixed drug eruptions are usually those taken intermittently.[1]
Other namesDrug eruption
| Fixed drug reaction | |
|---|---|
| Other names | Drug eruption |
| |
| Fixed drug eruption caused by phenolphthalein | |
| Specialty | Dermatology  |
Signs and symptoms
A painful and itchy reddish/purple patch of skin that occurs in the same location with repeated exposures to the causative drug is the classic presentation of a fixed drug reaction. The lips, genitals, and hands are often involved.
Cause
Medications that are commonly implicated as a cause of fixed drug eruptions include the following: