First Disorder of the glands with internal secretion (pituitary, adrenal and thyroid glands). One reason may be a disease of the ovary.
Second Disease - an infection and fever, for example, pneumonia, scarlet fever, tuberculosis ... The cause may be a chronic disease like diabetes, autoimmune and malignant.
Third Lack of vitamins and minerals - reduced the value of iron, copper and zinc in the blood.
4th The influence of drugs - cytostatics, vitamin A and its derivatives, antidepressants, anticoagulants (eg heparin), betareceptora blockers, medications to reduce blood fat, allopurinol, cimetidine.
5th Radiotherapy - x-ray radiation (transient and permanent falling out).
6th Stress - after surgery and major accidents.
7th Mechanical damage - a permanent tightening and tying the hair in a ponytail, carrying loads on their heads.
The course of decline is periodic, meaning that the alternate phases of increased and normal hair fall out. The main reasons for excessive hair loss in women are related, however, to nutrition, and hormonal status in a certain age women (pregnancy, contraceptive use, menopause), and usually they are easy to detect.
If men notice increased hair shedding, or the problem has for some time, the advice is to start immediately with some of the treatments against hair loss.
If the hair turns a woman for more than two months, be sure to visit a dermatologist who will recommend a specific search and find the cause.