Why does my booty itch?

Body Itching. The most common cause of itching is dry skin and is treated with avoiding long hot baths and usin moisturisers immidiately after bathing skin diseases like eczema, psoriasis, scabies, lice can cause itching other medical conditions like liver diseases. Celiac disease (dermatitis herpeticformis), kidney failure, iron deficiency, cancers including lymphomas. And thyroid diseases diabetes, and allergic reactio.