Severe hair loss in 18 year old youth may be related to a variety of reasons such as physiologic alopecia, patchy baldness and androgenetic alopecia.
1. physiological hair loss: mental stress, staying up late, irregular life, change of seasons, etc. may cause hair loss to increase more than usual, and severe hair loss in 18-year-old youth may occur.
2. baldness: this is a kind of autoimmune disease, can appear scalp size, border clear limited hair loss, and heredity, mental factors, autoimmune factors, etc., may cause 18-year-old youth hair loss serious.
3. Androgenetic alopecia: related to heredity, too much androgen and other reasons, there may also be scalp itching, greasy, excessive dandruff and other symptoms, androgenetic alopecia may cause 18-year-old youth hair loss serious.
There may be other reasons for severe hair loss in 18 year olds, so it is recommended to consult a doctor in time, improve the examination and make a clear diagnosis after standardized treatment to avoid delaying the condition.