Majority of people lose about 50 to 100 scalp hairs per day and these hairs are replaced by small new hair. These new hairs grows back in the same follicle on a person's head. The loss of about 50 to 100 hair every day is pretty normal and amounts to natural hair loss. But if you are losing scalp hair more than the rate of natural hair loss then there might be some cause for concern. There are a quite a few major causes for hair loss. A severe illness or a major surgery may cause excessive scalp hair fall and this type of scalp hair loss is related to the stress of the illness and is thus quite temporary. Hormonal imbalance is one of the major causes of scalp hair loss.
Malfunction of thyroid gland causes a balding patch in the head with thinning scalp hair. This kind of scalp hair loss can be helped arrest with the treatment thyroid disease.
Severe scalp hair loss also might occur due to imbalance of male or female hormones, known as androgens and estrogens. Proper medication to correct the hormone imbalance prevents this kind of hair loss. Post pregnancy hair loss is one of the key reasons for scalp hair loss for women. Most women notice acute hair loss about 3 months after they've had a baby. However this kind of hair loss is also temporary in nature and it usually remedies itself.
Strong medicines or drugs can cause acute scalp hair loss too. Medicines like blood thinners also called anticoagulant, medicines used for gout, medicines used in chemotherapy to treat cancer, vitamin birth control pills and antidepressants often cause excessive scalp hair loss. Some time fungal infections can also cause scalp hair loss and with proper anti fungal medication this kind of scalp hair loss can be stopped.
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