Here’s a summary of the more common causes (and symptoms) of bumps on the scalp. Folliculitis is a skin infection caused by damage to your hair follicles. This infection can result in raised red ...

Scalp folliculitis is a skin condition that ... causes papules and maculopapules to form. Papules are small raised bumps on the skin that are less than a centimeter in diameter.

This chronic autoimmune condition leads to thickened patches of red, scaly skin, often accompanied by raised bumps. Symptoms: Silvery scales and plaques, typically on the elbows, knees, and scalp.