What is Acne? Definition & Types | NIAMS - National Institute of ...
网页2023年6月22日 · Acne is an inflammatory disorder of the skin, which has sebaceous (oil) glands that connects to the hair follicle, which contains a fine hair. In healthy skin, the sebaceous glands make sebum that empties onto the skin surface through the pore, which is an opening in the follicle. Keratinocytes, a type of skin cell, line the follicle.
Acne Basics: Overview, Symptoms, and Causes - National Institute …
网页2023年6月22日 · Acne is a common skin condition that happens when hair follicles under the skin become clogged. Acne causes several types of lesions, or pimples. Medications and other procedures such as laser and light therapies are the most common treatments. The goals of treatment are to help heal lesions, stop new lesions from forming, and prevent …
Acne: Diagnosis, Treatment, and Steps to Take - National Institute …
网页2023年6月22日 · Some people who have severe acne or acne scarring that does not respond to topical or oral medications may need additional treatments, such as: Laser and other light therapies. However, researchers are still studying the best types of light and the amount needed to treat acne. Injecting corticosteroids directly into affected areas of your …
Acne Basics: Diagnosis, Treatment, and Steps to Take
网页2023年6月22日 · Living with acne. If you have acne, the following may help you take care of your skin. Clean your skin gently. Use a mild cleanser in the morning, in the evening, and after heavy exercise. Try to avoid using strong soaps, astringents, or rough scrub pads. Rinse your skin with warm water. Shampoo your hair regularly. Avoid rubbing and …
Rosacea Causes, Symptoms & Treatment | NIAMS
网页The skin may thicken, especially on the nose, giving the nose an enlarged and bulbous (bulb-like) appearance. This is one of the more severe symptoms, and it mostly affects men. Eye irritation. When ocular rosacea occurs, the eyes become sore, red, itchy, watery, or dry. They may feel gritty or as if there is something in them, such as an eyelash.
Hidradenitis Suppurativa (HS) Acne Inversa | NIAMS
网页2023年6月22日 · Hidradenitis suppurativa, also known as HS and less commonly as acne inversa, is a chronic, noncontagious, inflammatory condition characterized by painful bumps or boils and tunnels in and under the skin. Pus-filled bumps on the skin or hard bumps beneath the skin can progress to painful, inflamed areas (also called “lesions”) with …
Acne Basics: Research & Resources - National Institute of Arthritis …
网页2023年6月22日 · Acne is a common skin disorder that results in blocked skin follicles. Learn the types & causes of acne.
Psoriasis Types, Symptoms & Causes | NIAMS
网页2024年8月5日 · Types of Psoriasis. There are different types of psoriasis, including: Plaque psoriasis. This is the most common kind, and it appears as raised, red patches of skin that are covered by silvery-white scales. The patches usually develop in a symmetrical pattern on the body and tend to appear on the scalp, trunk, and limbs, especially the elbows ...
Skin Diseases, Conditions & Disorders| NIAMS
网页2023年4月3日 · Hidradenitis suppurativa (also known as acne inversa) is a chronic, noncontagious, inflammatory condition characterized by pimple-like bumps or boils and tunnels or tracts on and under the skin. Ichthyosis. What is ichthyosis? It is a disorder that causes dry, thickened skin that may look similar to fish scales.
All Diseases and Conditions | NIAMS
网页2019年7月22日 · Bone has many important jobs in the body. Bone provides a strong framework to support and protect the soft organs (such as the brain, heart, and lungs) from injury and work with muscles to hold up the body when we stand and move. NIAMS focuses on arthritis, musculoskeletal & skin diseases. Find causes, treatment & prevention for …