Red lumps on your legs might occasionally indicate a more serious problem. Allergies, bug bites, and certain skin diseases ...

Medically reviewed by Casey Gallagher, MD Petechiae are tiny red or purple dots that don't turn white when you press on them.

“Cherry angiomas are harmless red bumps that ... show up on the legs and arms. What causes dermatofibromas: "They're often the result of an ingrown hair, bug bite, or other skin trauma and ...

Keratosis pilaris on black skin may not appear as red or pink bumps. In some people, the bumps may be discolored. In others, they appear like your natural skin color but raised, like goosebumps.