When a bump on the head is a serious injury - Mayo Clinic
2024年4月24日 · 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. Keep in mind that even a …
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.
Acne - Symptoms and causes - Mayo Clinic
2024年7月20日 · Small red, tender bumps (papules) Pimples (pustules), which are papules with pus at their tips ; Large, solid, painful lumps under the skin (nodules) Painful, pus-filled lumps under the skin (cystic lesions) Acne usually appears on the face, forehead, chest, upper back and shoulders. When to see a doctor
Rosacea - Symptoms and causes - Mayo Clinic
2023年10月17日 · Rosacea (roe-ZAY-she-uh) is a common skin condition that causes flushing or long-term redness on your face. It also may cause enlarged blood vessels and small, pus-filled bumps. Some symptoms may flare for weeks to months and then go away for a while. Rosacea can be mistaken for acne, dermatitis or other skin problems.
Keratosis pilaris - Symptoms and causes - Mayo Clinic
2024年10月23日 · 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 usually don't hurt or itch. Keratosis pilaris is often considered a common variant of skin. It can't be cured or prevented.
Baby acne - Symptoms & causes - Mayo Clinic
2024年3月1日 · Baby acne is a condition that causes small bumps on a newborn's skin — often on the face and neck. Baby acne is common and temporary. There's little you can do to prevent it, and it often clears up on its own without scarring. Other names for this condition are infantile acne and neonatal acne.
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.
Giant cell arteritis - Symptoms and causes - Mayo Clinic
Causes. With giant cell arteritis, the lining of arteries becomes inflamed, causing them to swell. This swelling narrows your blood vessels, reducing the amount of blood — and, therefore, oxygen and vital nutrients — that reaches your body's tissues.
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.
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.