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When a bump on the head is a serious injury - Mayo Clinic
2024年4月24日 · Probably not. Head trauma from play or sports is a common concern for parents, but rarely does a bump on the head result in serious injury. The forehead and scalp have a large blood supply. Injury to these areas often results in bleeding under the skin. When the bleeding is in just one area, it causes bruising and swelling, known as a hematoma.
Folliculitis - Symptoms & causes - Mayo Clinic
2022年8月31日 · People who get bikini waxes may get razor bumps in the groin area. Pityrosporum (pit-ih-ROS-puh-rum) folliculitis. This type is a rash of itchy, pus-filled bumps, most often on the back and chest. It's caused by a yeast infection. Gram-negative folliculitis. This type causes pus-filled bumps around the nose and mouth.
Epidermoid cysts - Symptoms and causes - Mayo Clinic
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.
Seborrheic keratosis - Symptoms & causes - Mayo Clinic
2022年1月18日 · A round or oval-shaped waxy or rough bump, typically on the face, chest, a shoulder or the back; A flat growth or a slightly raised bump with a scaly surface, with a characteristic "pasted on" look; Varied size, from very small to more than 1 inch (2.5 centimeters) across; Varied number, ranging from a single growth to multiple growths
Boils and carbuncles - Symptoms & causes - Mayo Clinic
2021年9月18日 · 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. You can usually care for a single boil at home.
Itchy skin (pruritus) - Symptoms and causes - Mayo Clinic
2024年10月23日 · Bumps, spots or blisters; Dry, cracked skin; Leathery or scaly patches; Sometimes itchiness lasts a long time and can be intense. As you rub or scratch the area, it gets itchier. And the more it itches, the more you scratch. Breaking this itch-scratch cycle can be difficult. When to see a doctor
Seborrheic dermatitis - Symptoms and causes - Mayo Clinic
2024年7月19日 · 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.
Ingrown hair - Diagnosis and treatment - Mayo Clinic
2024年1月19日 · Dr. Davis: That can cause little bumps that erupt like razor burn, but more extensive along the beard area and the neck. And that we call acne keloidalis or acne barbae, or other conditions that then cause lumps of retained hair along the beard area, mustache area or back of the neck. Mr. Howland: It's common in men who have tight, curled hair ...
Common baby rashes - Mayo Clinic
2024年3月29日 · Baby acne appears as red or white bumps on a baby's upper body. Pimples may be seen on the back or chest, as well as commonly on the cheeks and forehead. These spots often show up within the first month after birth. The acne most often goes away on its own after a couple of months. It typically doesn't leave any scarring.
Ingrown hair - Symptoms and causes - Mayo Clinic
2024年1月19日 · Ingrown hair occurs when a hair that's been removed starts to grow back and curves into the skin. Shaving, tweezing or waxing can cause this to happen. An ingrown hair can cause tiny, swollen bumps on the skin that may hurt. The condition most often affects Black people with curly hair who shave.