A bump on the lip can occur for many reasons, including infections, allergic reactions, and injuries. Infection with the herpes simplex virus (HSV) is a common cause. Lip bumps can vary in size, ...

You may develop bumps on your lips due to allergic reactions, certain infections, and skin conditions. Bumps that do not heal or occur with other symptoms may require medical attention. From an ...

White bumps on the lips can be harmless or indicate a viral or bacterial infection. A dermatologist or other doctor can diagnose the cause and recommend treatment to remove them. White bumps on your ...