Their acne is severe: A person should see a dermatologist if they have cysts, nodules, and deep, painful acne.
They have late-onset or persistent acne:
Late-onset acne may occur in adults who have never previously had the condition.
Persistent acne is a relapse or continuation of acne from adolescence into adulthood.
Cherry angioma
- can be anywhere on the body but is most common on the torso, arms, legs, and shoulders
- small, bright red or purple circular or oval spots that may be raised or flat
- may bleed if rubbed or scratched
- generally harmless but may require removal if they’re in problem areas
Cherry angiomas are common skin growths that can form in most areas of the body. They develop when blood vessels clump together, creating a raised, bright-red bump under or on the skin. They appear with increasing age, often starting in your 20s or 30sTrusted Source.
Corns and calluses
- small circles of thickened skin with a painful, horn-like central area of hardened tissue
- commonly found on the tops and sides of the toes and on the soles of the feet
- also possible in the hands
Corns or calluses are rough, thickened areas of skin caused by friction and pressure. They’re most often found on the feet and hands.
Learn how to get rid of corns at home.
Cyst
- slow-growing bump under the skin that has a smooth surface
- can be large or small and is usually painless
- typically not a problem unless it’s infected, very large, or growing in a sensitive area
- some grow deep inside your body where you can’t see or feel them
Cysts are growths that contain fluid, air, or other substances. They develop under your skin in any part of your body. They feel like a small ball, and you can usually move them around slightly.
Discover how home remedies might help with cysts.
Keloids
- develops at the site of a previous injury
- lumpy or rigid area of skin that may be painful or itchy
- area is flesh-colored, pink, or red
Keloids are smooth, raised growths that form around scars. They’re most commonly found on the chest, shoulders, and cheeks. They’re similar to hypertrophic scars but can grow to be much larger than the original wound.
Learn how to help reduce the appearance of keloids.