When Do You Get Alopecia?

When does alopecia areata begin? You can get alopecia areata at any age; however, most people develop it by 30 years of age. For many, the disease begins during childhood or the teenage years.

What triggers alopecia?

Alopecia areata occurs when the body's immune system mistakes hair follicles as foreign and attacks them. This causes the hairs to fall out. This specific form of autoimmunity is a lifelong tendency that can be inherited from either parent.

Can you suddenly develop alopecia?

Alopecia occurs for many different reasons and presents in various ways. It can occur suddenly or develop gradually over time. Sudden-onset causes include illness, diet, medications, and childbirth. Alopecia that has a gradual onset more likely has a genetic component.