Boils and carbuncles - Symptoms & causes - Mayo Clinic
网页2021年9月18日 · A carbuncle is a cluster of boils that form a connected area of infection under the skin. Boils (furuncles) usually start as reddish or purplish, tender bumps. The bumps quickly fill with pus, growing larger and more painful until they rupture and drain. Areas most likely to be affected are the face, back of the neck, armpits, thighs and buttocks.
Ringworm (scalp) - Symptoms & causes - Mayo Clinic
网页2022年1月22日 · Signs and symptoms of ringworm of the scalp may include: One or more round, scaly or inflamed patches where the hair has broken off at or near the scalp. Patches that slowly get bigger and have small, black dots where the hair has broken off. Brittle or fragile hair that can be easily broken or pulled out. Tender or painful areas on the scalp.
Hidradenitis suppurativa - Symptoms and causes - Mayo Clinic
网页2024年6月21日 · Hidradenitis suppurativa (hi-drad-uh-NIE-tis sup-yoo-ruh-TIE-vuh), also known as acne inversa, is a condition that causes small, painful lumps to form under the skin. The lumps usually develop in areas where your skin rubs together, such as the armpits, groin, buttocks and breasts. The lumps heal slowly, recur, and can lead to tunnels under …
Scalp psoriasis vs. seborrheic dermatitis: What's the difference?
网页2024年7月25日 · Scalp psoriasis and seborrheic dermatitis are common conditions that affect the scalp. And they share some symptoms, such as inflamed, scaly skin. Most often, the scales of psoriasis look thicker and drier than the scales of seborrheic dermatitis. Psoriasis tends to extend beyond the hairline. And psoriasis usually affects more than …
Ingrown hair - Symptoms and causes - Mayo Clinic
网页2024年1月19日 · Symptoms. Signs and symptoms of ingrown hair include: Tiny, swollen bumps where you shave, tweeze or wax. Small bumps that look like blisters or are filled with pus. Small bumps that are darker than surrounding skin (hyperpigmentation) Burning or stinging. Itching.
Giant cell arteritis - Symptoms and causes - Mayo Clinic
网页The most common symptoms of giant cell arteritis are head pain and tenderness — often severe — that usually affects both temples. Head pain can progressively worsen, come and go, or subside temporarily. Generally, signs and symptoms of giant cell arteritis include: Persistent, severe head pain, usually in your temple area. Scalp tenderness.
Epidermoid cysts - Symptoms and causes - Mayo Clinic
网页2024年3月27日 · Epidermoid (ep-ih-DUR-moid) cysts are harmless small bumps beneath the skin. They are most common on the face, neck and trunk. Epidermoid cysts are slow growing and often painless, so they rarely cause problems or need treatment. You might choose to have a cyst removed if it bothers you, breaks open, or is painful or infected.
Atopic dermatitis (eczema) - Symptoms and causes - Mayo Clinic
网页2024年5月15日 · Atopic dermatitis (eczema) symptoms can appear anywhere on the body and vary widely from person to person. They may include: Dry, cracked skin. Itchiness (pruritus) Rash on swollen skin that varies in color depending on your skin color. Small, raised bumps, on brown or Black skin. Oozing and crusting.
Scabies - Symptoms and causes - Mayo Clinic
网页2022年7月28日 · Scabies is an itchy skin rash caused by a tiny burrowing mite called Sarcoptes scabiei. Intense itching occurs in the area where the mite burrows. The need to scratch may be stronger at night. Scabies is contagious and can spread quickly through close person-to-person contact in a family, child care group, school class, nursing home …
Oral lichen planus - Symptoms and causes - Mayo Clinic
网页2019年12月6日 · Oral lichen planus (LIE-kun PLAY-nus) is an ongoing (chronic) inflammatory condition that affects mucous membranes inside your mouth. Oral lichen planus may appear as white, lacy patches; red, swollen tissues; or open sores. These lesions may cause burning, pain or other discomfort. Oral lichen planus can't be passed …