Itchy butt eczema can be relieved by general treatment and medication as prescribed by the doctor. 1. General treatment: patients with eczema on the buttocks should actively search for the causative factors to avoid re-exposure. At the same time to avoid scratching, excessive cleaning of the affected area, so as not to aggravate the condition, you can use cold water ice packs on the affected area to relieve the itching. 2. Drug therapy: patients can use dexamethasone, halometasone and other glucocorticoids, with anti-inflammatory, anti-allergic effect. For patients with severe itching, you can take oral cetirizine, loratadine and other antihistamines to stop itching, anti-allergic effect. For patients with eczema and itching in the buttocks, it is recommended to go to a regular hospital, under the guidance of the doctor for treatment.