Fact Sheets

Acne (Acne Vulgaris)
Acne is a skin condition characterized by pimples, blackheads, and whiteheads on the face, back, and chest. Learn about symptoms and treatment.
Viral Warts
Viral warts are viral infections of the skin that are most common on the hands and feet. Learn about symptoms and treatment.
Seborrheic Keratosis
A common type of noncancerous skin tumor that resembles a wart and may bleed or be itchy.
Rosacea
Rosacea is a chronic, inflammatory skin condition that causes red patches and/or bumps on the face, often on the nose, cheeks, or chin.
Allergic Contact Dermatitis
Allergic contact dermatitis is the skin's reaction to an irritant—anything from poison ivy to certain fabrics can cause your skin to flare. Learn about symptoms and treatment.
Alopecia Areata
Alopecia areata happens when the immune system attacks hair follicles. This causes the hairs in those follicles to fall out and not grow back.
Ringworm (Tinea)
A fungal infection that can affect the skin, fingernails, toenails, and/or hair.
Excessive Sweating (Hyperhidrosis)
Hyperhidrosis refers to excessive perspiration that can get in the way of daily life and cause skin infections. Learn about symptoms and treatment.
Keloids
Keloids are overgrowths of scar tissue that can sometimes appear when an injury heals. Learn about symptoms and treatment.
Prurigo Nodularis
Skin condition marked by intensely firm, itchy bumps