A normal person loses 50 to 100 strands of hair per day. Excessive hair loss (alopecia) has many different causes.
Diffuse Hair Loss
- Androgenetic alopecia
- Male pattern hair loss
- Female pattern hair loss
- Telogen effluvium
- Anagen effluvium
- Diffuse alopecia areata
Localised Non-scarring Hair Loss
- Tinea capitis (Scalp ringworm)
- Alopecia areata
- Trichotillomania (Hair pulling disorder)
Scarring Hair Loss (Cicatricial Alopecia)
- Tinea capitis with secondary bacterial infection
- Discoid lupus erythematosus
- Lichen planopilaris
- Frontal fibrosing alopecia
- Central centrifugal cicatricial alopecia
- Dissecting cellulitis of the scalp
- Folliculitis decalvans
- Tufted folluculitis
- Localised scleroderma / morphoea
- Folliculitis keloidalis