Alopecia Areata: Symptoms, Causes, Treatment & Regrowth
Alopecia areata is an autoimmune disease that causes patchy hair loss anywhere on your body, but it most commonly affects the hair on the skin that covers your head (scalp). “Alopecia” is a medical term for hair loss or baldness, and “areata” means that it occurs in small, random areas.
Alopecia Areata & Hair Loss: Causes, Treatments, and Tips to Cope - WebMD
2024年8月31日 · Diffuse alopecia areata is a sudden thinning of your hair rather than lost patches. Ophiasis alopecia areata causes hair loss in a band shape around the sides and back of your head. Alopecia...
Hair loss - Symptoms and causes - Mayo Clinic
2024年1月19日 · Circular or patchy bald spots. Some people lose hair in circular or patchy bald spots on the scalp, beard or eyebrows. Your skin may become itchy or painful before the hair falls out. Sudden loosening of hair. A physical or emotional shock can cause hair to loosen.
Alopecia areata symptoms: What are the early signs of
2023年8月9日 · How do I know if my alopecia areata is active? During active alopecia areata, hair will fall out, usually in patches. It may occur in one or several places on the scalp or body. The telltale sign of active alopecia areata is the presence of “exclamation point” hairs on the margins of the bald patch.
What causes balding in the back of the head? - Walgreens
2022年10月16日 · A bald area on the back of the head may indicate that you have male pattern baldness, the leading cause of hair loss in men. Also called androgenic alopecia, the condition is often hereditary and is due to changes in levels of sex hormones that occur with age.
Hair loss types: Alopecia areata signs and symptoms
2023年8月30日 · Instead of developing one or more patches of hair loss, some people have a band or strip of bald skin on their scalp, known as ophiasis (oh-fee-ah-sis). This band usually appears at the back of the head and can extend to the temples (A).
Alopecia areata - Wikipedia
In alopecia areata, a hair follicle is attacked by the immune system. T-cells swarm the roots, killing the follicle. This causes the hair to fall out and parts of the head to become bald.
Alopecia areata Guide: Causes, Symptoms and Treatment Options - Drugs.com
2023年12月1日 · Alopecia areata is a skin disorder that causes hair loss, usually in patches, most often on the scalp. Usually, the bald patches appear suddenly and affect only a limited area. The hair grows back within 12 months or less.
Alopecia Areata: Hair Loss Causes, Treatment, and More - Healthline
2023年10月19日 · Ophiasis alopecia causes a band of hair loss along the sides and lower back of your scalp. Alopecia areata occurs equally in males and females. This condition causes diffuse and patchy hair...
Alopecia Areata (AA) - Symptoms - familydoctor.org
2021年7月2日 · Telogen effluvian is more common and usually, your hair does grow back after this type of hair loss. The main symptom of alopecia areata is hair loss that occurs in small, round patches on your head. This leaves smooth, peach-colored areas of scalp exposed. A mild case of alopecia areata starts with one to two coin-size hairless patches.