Folliculitis - Symptoms & causes - Mayo Clinic
2022年8月31日 · Folliculitis is a common skin condition that happens when hair follicles become inflamed. It's often caused by an infection with bacteria. At first it may look like small pimples around the tiny pockets from where each hair grows (hair follicles).
Epidermoid cysts - Symptoms and causes - Mayo Clinic
2024年3月27日 · Epidermoid cyst signs and symptoms include: A small, round bump under the skin, often on the face, neck or trunk; A tiny blackhead plugging the central opening of the cyst; A thick, smelly, cheesy substance that leaks from the cyst; An inflamed or infected bump; When to see a doctor. Most epidermoid cysts don't cause problems or need treatment.
Folliculitis - Diagnosis & treatment - Mayo Clinic
2022年8月31日 · Learn more about how damaged hair follicles become infected. This condition may clear up on its own, but severe infections can cause scarring or hair loss.
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.
Epidermoid cysts - Diagnosis and treatment - Mayo Clinic
2024年3月27日 · True epidermoid cysts result from damage to hair follicles or the outer layer of skin, called the epidermis. Sebaceous cysts are less common and arise from the glands that secrete oily matter that lubricates hair and skin, also called sebaceous glands.
Acne - Symptoms and causes - Mayo Clinic
2024年7月20日 · Blockages and inflammation deep inside hair follicles produce cystlike lumps beneath the surface of your skin. Other pores in your skin, which are the openings of the sweat glands, aren't usually involved in acne.
Ingrown hair - Diagnosis and treatment - Mayo Clinic
2024年1月19日 · Mr. Howland: Dr. Dawn Davis, a Mayo Clinic dermatologist, says those ingrown hairs can become inflamed and infected. Dr. Davis: That can cause little bumps that erupt like razor burn, but more extensive along the beard area and the neck.
Pilonidal cyst - Symptoms and causes - Mayo Clinic
2024年10月4日 · A pilonidal (pie-low-NIE-dul) cyst is an unusual pocket in the skin that usually contains hair and skin debris. The cyst is almost always near the tailbone at the top of the buttocks. Pilonidal cysts usually occur when hair punctures …
Ovarian cysts - Symptoms and causes - Mayo Clinic
2023年7月28日 · Your ovaries grow small cysts called follicles each month. Follicles produce the hormones estrogen and progesterone and break open to release an egg when you ovulate. A monthly follicle that keeps growing is known as a functional cyst. There are two types of functional cysts: Follicular cyst.
Hidradenitis suppurativa - Symptoms and causes - Mayo Clinic
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 …