They are red and flat with a little white center. It hurts to pop them, and when they pop white pus comes out. He has dark scars where old ones have healed. No other part of his body is affected with acne. He is in good overall health.
Pimples are infections that develop when whiteheads rupture the follicle wall.
There are two types of medication most often used to treat acne. The first is topical and consists of a skin-peeling lotion that helps dry up the oil and promote healing. It may not be acne. Whatever it is, a dermatologist would know what to do to stop the formation of these pimple-like bumps. Last year I noticed small, raised skin lesions on my feet.