Indicated for Numbness, Headache, Itching. Agaricus muscarius is a homeopathic remedy often used when ears, face, nose, toes and skin in general are affected with a redness, itching and burning as of from being frozen. Other indications for its use include twitching of muscles, headache, painfulness of the spine, and attacks of much yawning. This homeopathic remedy is made from a common mushroom. Active ingredient: Agaricus muscarius [HPUS]. Inactive ingredients: Sucrose/lactose pellets.