Head lice are tiny insects that can live on your scalp. They’re highly contagious and can cause itching and bumps on your scalp. Scratching may also result in bleeding. If you have lice ...

Pustules are small pus-filled bumps that commonly develop in areas such as the shoulders, back, and face. They can be painful to the touch and may cause the surrounding skin to become inflamed.

The small bumps you may notice around your nipples are ... If the infection comes back, the infected gland may need to be surgically removed. In 2024, the U.S. Preventive Services Task Force ...