Itchy bumps on the buttocks may be caused by eczema, prickly heat, hives and other diseases, which can be improved through general treatment, medication and other ways. 1. Eczema: Itchy buttocks may be caused by eczema, patients should wear loose and soft clothing, avoid friction, scratching the affected area, so as not to aggravate the condition. During the period you can follow the doctor’s instructions for external glucocorticoid drugs, such as hydrocortisone, halometasone, etc., with anti-inflammatory, anti-allergic effect. 2. Prickly heat: If prickly heat causes bumps on the buttocks to itch more and more, patients should use mild non-irritating soap to take a bath and keep the skin cool. You can also follow the doctor’s instructions to use topical glucocorticoid drugs, such as trimethoprim, mometasone furoate, etc., which can reduce itching and speed up the inflammation to subside. 3. Urticaria: Urticaria can also cause buttocks pimples the hotter the more itchy, patients should be away from the causative factors, while maintaining indoor cleanliness, diligent ventilation, drying bedding. You can also take antihistamines as prescribed by the doctor, such as cetirizine, loratadine, etc., with anti-itching, anti-allergic effect. Butt pimples on the more hot the more itchy causes, it is recommended to go to the hospital, with the doctor standardized treatment.