There are more reasons for severe hair loss, and different types of hair loss have different causes, mainly including androgenetic alopecia, patchy baldness, resting alopecia, anagenetic alopecia, telogen effluvium, scarring alopecia and so on.
1. Androgenetic alopecia: The increase of androgen will lead to the increase of dihydrotestosterone, which combines with androgen receptor on hair follicle cells to make the hair follicle microscopic, resulting in the shortening of hair growth cycle, and ultimately the hair follicle will atrophy and become dormant, causing hair loss, which is a hereditary disease.
2. Patchy baldness: There is an immune response against the hair follicle’s own antigen in patients with patchy baldness, causing inflammatory cell infiltration, which is related to heredity, and induced by factors such as stress reaction and allergy.
3. Resting hair loss: Surgery, postpartum, blood loss and shock, severe mental stimulation will cause more hair follicles to enter the resting phase earlier, and resting hair loss will occur.
4. anagen hair loss: anagen hair loss is related to drugs, such as chemotherapy drugs.
5. Pulling alopecia: combing the hair too tightly and pulling the hair for a long time can also lead to hair loss.
6. Scarring alopecia: Scarring of the scalp due to various reasons can destroy the hair follicles and lead to permanent hair loss.
Hair loss, you should go to the hospital in time for examination, clear causes under the guidance of the doctor to treat the symptoms.