Home | Recent Submissions | Search | Diagnosis | Quiz | Submit an Image | Index | Blog |About GSA
  
<< Back to Diagnosis Page  
Image Number 474 (Fixed drug reaction)

 
Morphology:
Plaque

Diagnosis: Fixed drug reaction

Site: Buttocks

Sex: M

Age: 20

Type: Clinical

Description: Fixed drug eruption induced by trimethoprim-sulfamethoxazole

Submitted by: Shahbaz Janjua

View Full Size

Differential Diagnosis

History: The lesions would recur in the same area in fixed drug eruptions when the patient is rechallenged by the same offending agent.  Round to oval well demarcated plaques with a vilaceous hue are characteristic.  The lesion which occur 30 min to 8 hours after exposure to the offending agent may involve periorbital and perioral area but the most commonly involved areas are genitalia, hands, and feet.  Drugs that may cause fixed drug reaction include acetaminophen, anti convulsants,  NSAIDs,  barbiturates, benzodiazepines, dapsone, metronidazole, oral contraceptives, penicillins, sulphonamides and tetracyclines. 

Search DermNetNZ   eMedicine   PubMed   Dermatology Online   Archives   JAAD for "Fixed drug reaction"

buy accutane
Home  |  Recent Submissions  |  Search  | Diagnosis  |  Quiz  |  Submit an Image  |  Index  |  About GSA

Copyright © 2005 Global Skin Atlas