Buttock rashes can develop from heat ... apply antifungal creams or powders. Lichen planus: Small, itchy bumps that can cause red, raw patches that burn or itch. See a provider and use home ...
They can appear anywhere from the anus to the lower back, bringing symptoms like itching, inflammation, swelling, and bumps. Rashes may cause pain, blistering, peeling, or oozing in some cases.