Less common white bump causes worth noting are: Flat warts: “These small, skin-colored bumps are caused by specific strains of the human papillomavirus (HPV),” says Dr. McTighe. “While less common on ...

Diabetes causes various serious conditions – including on your skin with early signs and symptoms including shin spots, ...

If the spots are larger and red or purple ... to the emergency room if you notice any of the following symptoms: You also should see your doctor if you don’t know what has caused the petechiae.

White skin spots aren’t usually a cause for concern, and you may be able to treat them at home. Keep reading to learn common causes, how to treat them, and when to talk with a doctor.