However, there are many conditions that can result in localized random hair loss
in male as well as
females, such as alopecia areata, scarring alopecia,
infections like ringworm, folliculitis, piedra, seborrheic dermatitis and folliculitis.
Alopecia areata is a genetic condition which causes sudden round patches on the scalp along with inflammation of the roots of the hair follicles. However, the hair follicles are not destroyed and hair growth continues after inflammation subsides.