Alopecia Areata: Hair Loss Causes, Treatment, and More - Healthline
网页2023年10月19日 · Alopecia areata is a condition that causes your hair to fall out in patches. These patches may connect and become more noticeable. Treatment options include creams, injections, and oral ...
Alopecia Areata: Symptoms, Causes, Treatment & Regrowth
网页2023年8月30日 · Alopecia areata is a common condition that causes hair loss anywhere on your body, but it usually affects your scalp. Everyone loses hair when they shampoo or brush, it’s part of the hair growth process. But if you have alopecia areata, you might notice more hair loss than usual.
Hair loss - Symptoms and causes - Mayo Clinic
网页2024年1月19日 · Medical conditions include alopecia areata (al-o-PEE-she-uh ar-e-A-tuh), which is immune system related and causes patchy hair loss, scalp infections such as ringworm, and a hair-pulling disorder called trichotillomania (trik-o-til-o-MAY-nee-uh).
Alopecia Areata: Causes, Diagnosis, and Treatment - DermNet
网页Alopecia areata is an autoimmune condition affecting hair follicles causing hair loss. It typically presents with discrete bald patches on the scalp but can cause hair loss from all hair-bearing areas on the body. Alopecia is a Latin term meaning hair loss, and areata refers to the patchy nature of the hair loss.
Hair loss types: Alopecia areata signs and symptoms
网页2023年8月30日 · What are the signs and symptoms of alopecia areata? This disease causes sudden hair loss, which often begins as a round or oval, smooth balding patch that develops on the scalp or beard. However, hair loss can begin on any area of the body.
Alopecia areata - Wikipedia
网页Alopecia areata, also known as spot baldness, is a condition in which hair is lost from some or all areas of the body. [12][1] It often results in a few bald spots on the scalp, each about the size of a coin. [7] .
Alopecia Areata - StatPearls - NCBI Bookshelf
网页2024年2月8日 · Alopecia areata is a chronic, immune-mediated autoimmune disorder that affects hair follicles, nails, and, occasionally, the retinal pigment epithelium. This condition targets the anagen hair follicles of individuals and leads to hair loss without permanent damage to the follicles.
What is alopecia areata and how is it managed? - Harvard Health
网页2022年4月28日 · Alopecia areata (AA) occurs when the body's immune system attacks hair follicles, resulting in hair loss. AA can affect the scalp, eyebrows, eyelashes, or anywhere hair grows on the body. What causes alopecia areata? The immune system protects the body against foreign invaders like bacteria or allergens.
Alopecia areata: Management - UpToDate
网页2023年11月2日 · Alopecia areata is a chronic, relapsing, immune-mediated, inflammatory disorder that affects hair follicles and results in nonscarring hair loss. The severity of the disorder ranges from small patches of alopecia on any hair-bearing area to the complete loss of scalp, eyebrow, eyelash, and body hair (picture 1A-J).
Alopecia Areata: Practice Essentials, Background, Pathophysiology
网页2024年7月31日 · Alopecia areata is a recurrent nonscarring type of hair loss that can affect any hair-bearing area and can manifest in many different patterns. Although it is a benign condition and most...