Background
Fixed drug eruption is a drug reaction characterized by the recurrent occurrence of erosive or ulcerative lesions in skin or mucosa surfaces upon the use of a specific drug. The occurrence of fixed drug eruption in oral mucosa is rare and ill documented.
Case report
A 37‐year‐old woman who presented with recurrent erosive lesions in the palatal marginal gingiva of the upper first molars for 3 consecutive months. In anamnesis and follow‐up, the time association with the intake of piroxicam to treat menstrual pain led us to the diagnosis of fixed drug eruption.
Conclusion
Piroxicam is a rare culprit drug to fixed drug eruption, especially in oral mucosa.
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