Shiitake dermatitis, also known as flagellate erythema, is a dramatic-looking rash that can appear around 24 to 48 hours after raw or undercooked shiitake mushrooms are consumed, according to a ...

A 72-year-old man presented with a 2-day history of an itchy, linear rash across his back. Two days before symptom onset, he had prepared and eaten a meal containing shiitake mushrooms. Eglė ...