Shiitake mushroom dermatitis

Shiitake Mushroom Dermatitis

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Shiitake mushrooms, a common cause of Shiitake Mushroom Dermatitis

Shiitake Mushroom Dermatitis is a type of skin irritation caused by the consumption or handling of raw or undercooked Shiitake mushrooms. This condition is also known as Shiitake Dermatitis, Shiitake Flagellate Dermatitis, or Toxicoderma.

Symptoms

The primary symptom of Shiitake Mushroom Dermatitis is an itchy, red rash that often appears in a linear or flagellate pattern. This rash typically develops within 24 to 48 hours after exposure to the mushrooms. Other symptoms may include fever, chills, and digestive issues.

Causes

Shiitake Mushroom Dermatitis is caused by a compound called lentinan, which is found in raw or undercooked Shiitake mushrooms. Lentinan is a polysaccharide that can cause an inflammatory response in the skin when ingested or touched.

Diagnosis

Diagnosis of Shiitake Mushroom Dermatitis is typically based on the characteristic appearance of the rash and a history of recent Shiitake mushroom consumption or exposure. In some cases, a skin biopsy may be performed to confirm the diagnosis.

Treatment

Treatment for Shiitake Mushroom Dermatitis primarily involves avoiding further exposure to Shiitake mushrooms. Over-the-counter antihistamines and topical corticosteroids can help to alleviate the symptoms. In severe cases, prescription medications may be required.

Prevention

The best way to prevent Shiitake Mushroom Dermatitis is to avoid consuming or handling raw or undercooked Shiitake mushrooms. Cooking the mushrooms thoroughly can help to break down the lentinan and reduce the risk of dermatitis.

See Also

• Dermatitis
• Food allergy
• Shiitake