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Prurigo Pigmentosa Associated With Ketogenic Diet

JAMA Dermatology 10.1001/jamadermatol.2026.0196

May 13, 2026 at 11:00 AM EDT

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This case report describes a man with recurrent pruritic papulovesicular eruptions who reported practicing intermittent fasting and adhering to a ketogenic diet.

Corresponding Author: Daniel Blaya Imbernón, MD, Dermatology, Consortium General University Hospital of Valencia, Av de les Tres Creus, 2, 46014 València, Spain (daniblayaimbernon@gmail.com).

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