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Dear lybrate user, hair growth occurs in cycles. Each cycle consists of a long growing phase (anagen), a short transitional phase (catagen) and a short resting phase (telogen). At the end of the resting phase, the hair falls out (exogen) and a new hair starts growing in the follicle beginning the cycle again. Normally, about 40 hairs reach the end of their resting phase each day and fall out. When more than 100 hairs fall out per day, clinical hair loss may occur. Hair loss have many causes such as:- 1) shrinkage of the hair follicles due to the influence of androgenic hormones. 2) under-nutrition of the hair due to fungal infection on the scalp. 3) effects of radio therapy or chemotherapy. 4) nutritional deficiencies. 5) autoimmune diseases. Modes of treatment for hairfall/alopecia includes surgical modes, oral medicine & local external application. The minimum duration of the course of oral medicines & external application is 6 months. But before starting any treatment, the proper underlying cause behind alopecia needs to be diagnosed. A detailed case taking is required to find out the cause behind alopecia.
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