However, if the bumps itch, hurt, change in appearance, or come with other symptoms like fever, it’s important to see a healthcare provider to rule out infections or more serious conditions. Keratosis pilaris keratosis pilaris (kp) also causes small red spots on your skin This genetic disorder affects hair follicles of the skin and often manifests as rough, small folliculocentric keratotic papules The most common cause of bumps on the arms is keratosis pilaris Learn how to identify and treat it and other causes of arm bumps. They’re white or red and don’t hurt, but may itch.
While some might be harmless and resolve over time, others may require treatment The bumps are actually collections of dead skin cells blocking your pores These splotchy spots most often form on your upper arms. Painless small bumps on the thighs, cheeks, or buttocks dry, rough, or irritable skin worsening symptoms when seasonal changes cause low humidity pinkness or redness around the bumps sandpaper feeling around the bumps while you can sometimes find these small red bumps on your legs, too, you’re most likely to find them on your arms. Less commonly, they signal infection, drug reactions or an autoimmune rash Location, itch, pain, fever and recent exposures help narrow the cause