Woman develops whiplike rash on back after eating shiitake mushrooms

Summary

A woman developed bright-red, whiplike rashes on her back after eating shiitake mushrooms, a condition known as shiitake dermatitis. The case, published in a medical journal, highlights a rare but known reaction to consuming raw or undercooked shiitake mushrooms, caused by a compound called lentinan. The rashes are distinctive and can be alarming but typically resolve on their own without treatment.