What are different types of alopecia?

11 types of alopecia:

1. Alopecia areata • Patches of hair loss due to an autoimmune disease

2. Alopecia areata totalis • Total hair loss on the top of the head

3. Alopecia areata universalis • Hair loss throughout the entire body

4. Diffuse alopecia areata • Areas of very thin hair

5. Alopecia areata ophiasis • Hair loss on the sides and lower back part of the head

6. Alopecia barbae • Hair loss on the mustache and beard

7. Androgenic alopecia (pattern hair loss) • Fewer and fewer number of hairs in the hair groups of 3-4 hairs

8. Central centrifugal cicatricial alopecia (CCCA) • Hair loss due to scarring on the top of the head

9. Frontal fibrosing alopecia • Hair loss on the sideburns and frontal part of the head

10. Traction alopecia • Hair loss due to strain on the hair roots

11. Chemotherapy-induced alopecia • Hair loss due to chemotherapy