
Actinic keratosis - Symptoms & causes - Mayo Clinic
Dec 17, 2022 · Actinic keratoses vary in appearance. Symptoms include: Rough, dry or scaly patch of skin, usually less than 1 inch (2.5 centimeters) in diameter Flat to slightly raised patch or bump on …
Dry skin - Diagnosis and treatment - Mayo Clinic
Aug 25, 2023 · Treatment Dry skin often responds well to lifestyle measures, such as using moisturizers and avoiding long, hot showers and baths. If you have very dry skin, your doctor may recommend a …
Psoriasis - Symptoms and causes - Mayo Clinic
Dec 17, 2025 · Psoriasis is a skin disease that causes a rash with itchy, scaly patches, most commonly on the knees, elbows, trunk and scalp. Psoriasis is a common, long-term (chronic) disease with no …
Dry skin - Symptoms and causes - Mayo Clinic
Aug 25, 2023 · Overview Dry skin makes the skin look and feel rough, itchy, flaky or scaly. The location where these dry patches form vary from person to person. It's a common condition that affects …
Seborrheic dermatitis - Symptoms and causes - Mayo Clinic
Jul 19, 2024 · Seborrheic (seb-o-REE-ik) dermatitis is a common skin condition that mainly affects your scalp. It causes scaly patches, inflamed skin and stubborn dandruff. It usually affects oily areas of …
Pityriasis rosea - Symptoms & causes - Mayo Clinic
Jul 12, 2024 · Pityriasis rosea typically begins with an oval, slightly raised, scaly patch — called the herald patch — on the face, back, chest or abdomen. Before the herald patch appears, some people …
Neurodermatitis - Symptoms and causes - Mayo Clinic
An itchy, scaly skin patch or patches Open sores that bleed Thick, leathery skin Discolored, wrinkled genital skin Raised, rough patches that are inflamed or darker than the rest of the skin The condition …
Seborrheic keratosis - Symptoms & causes - Mayo Clinic
Jan 18, 2022 · A seborrheic keratosis (seb-o-REE-ik ker-uh-TOE-sis) is a common noncancerous (benign) skin growth. People tend to get more of them as they get older. Seborrheic keratoses are …
Keratosis pilaris - Symptoms and causes - Mayo Clinic
Oct 23, 2024 · Keratosis pilaris (ker-uh-TOE-sis pih-LAIR-is) is a harmless skin condition that causes dry, rough patches and tiny bumps, often on the upper arms, thighs, cheeks or buttocks. The bumps …
Types of dermatitis - Mayo Clinic
Dec 19, 2023 · Each type of dermatitis has different symptoms and tends to occur on a different part of the body. It's possible to have more than one type at a time. Dermatitis also is called eczema. …