Question: what causes small bumps on back of thighs?
Answer: Keratosis pilaris causes numerous small, rough, tan or red little bumps around hair follicles on the upper arms, thighs, buttocks, and cheeks. Keratosis pilaris creates the appearance of gooseflesh, goose bumps, or chicken skin. Keratosis pilaris may appear in patients with dry skin conditions and atopic dermatitis.