Symmetrical Drug‐Related Intertriginous and Flexural Exanthema Induced by Cephalexin: Diagnostic Value of Lesion‐Site Patch Testing

Puntos clave

• Intertriginous lesions observed in patients indicate drug-related exanthema from cephalexin exposure.
• Patch testing is crucial for accurately diagnosing the type of skin reaction caused by medications like cephalexin.
• Findings underscore the importance of identifying adverse reactions to drugs in clinical practice.
• Further investigations are necessary to validate the diagnostic approaches used in observing drug-related reactions.