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Thyroid Gland Conditions and the Impact on Hair Loss

Thyroid gland diseases

Diseases of the thyroid affects the growth of your hair. It is a small gland that resides on the front of your neck. The thyroid regulates how the body makes proteins and burns energy. The hormone produced by the thyroid gland regulates the body's metabolic rate. Too much or too little of this hormone, affected by diseases, has an impact on hair growth. The following thyroid gland diseases can be detected through a blood test:

  • Hyperthyroidism: This occurs when the body produces too much thyroid hormone. The symptoms include rapid heart beat, weight loss, heat intloerance and nervousness. The hair becomes very thin and sparse. A common cause of hyperthyroidism is Grave's disease which is an autoimmune disease.
  • Hypothyroidism: This occurs when too little thyroid hormone is produced by the body. The symptoms include fatigue, cold intolerance, lack of energy, puffiness of the face, and dry skin. The hair becomes dry, brittle, course and sparse. A common cause of hypothyroidism is Hashimoto's thyroiditis, an autoimmune disease. In developing countries, this is often caused by the lack of iodine in the diet; not common in the US because iodine is added to table salt.

How hair growth is affected by thyroid conditions

Scientists are not entirely sure how thyroid diseases cause hair loss. It could be because the thyroid hormone by affecting metabolism, slows the growth of the hair follicles, resulting in slower growth, thinner and more brittle hair, with the loss of hair bulk and split ends.

Acute thyroid condition also causes stress, which in turn causes telogen effluvium, in which hair rapidly falls out after prematurely entering the resting phase of the hair growth cycle.

Telogen effluvium

Medications given to treat thyroid dysfunction can also cause hair loss. The most common medicine used to treat hyperthyroidism propylthioracil, has the side effect of potentially causing hair loss. The most common drug used to replace thyroid hormone synthroid (levothyroxin) also may cause hair loss.

Coping with a thyroid condition and hair loss

If you suffer from a thyroid disease and experience hair loss, you should see an endocrinologist, who can who can diagnose and treat your thyroid condition, and a dermatologist who can determine the exact cause of your hair loss and determine if it is related to a thyroid problem.

Proper medication can treat the thyroid problem, and hence the hair loss. Allow time for the body to adjust to the medication and then allow time for the hair to go through the full cycle of shedding the old hair and growing new ones. It may take up to 3 years for your hair to return to normal. The other treatments for thyroid conditions include surgery to remove the thyroid gland, or destroying the thyroid gland in combination with radioactive iodine.

If you continue to lose hair several months after your thyroid hormones have returned to normal, it may be caused by another condition. There is often no one cause for hair loss. Try what I do: use low level laser therapy device.

The links related to this page on hair loss diseases are:

bullet Alopecia areata - circular bald spots on the scalp
bullet Telogen effluvium - sudden hair shedding
bullet Tinea capis - fungal infection of the hair
bullet Thyroid gland diseases that cause hair loss
bullet Illnesses that cause non-permanent hair loss
bullet Scarring alopecia - permanent hair loss
bullet Lupus and hair loss
bullet Medications that cause hair loss
bullet Other diseases that cause hair loss
bullet How hair loss diseases are diagnosed






From this:
My thining hair head at beginning
To this, after 3 months:
My thinning hair head after 3 months
How I did it!


My laser comb

This is my Hair Growth Machine



Tricoaid SLS free shampoo and conditioner

This is my Hair Growth Enforcer