Can Thyroid Cause Hair loss?


Hair loss is an issue that can crop up in any age group these days. The reasons are so many to point out. Apart from the usual environmental impact and undernourishment, there are other strong factors that can cause hair loss. Hormonal imbalance is one main cause for hair loss. Thyroid disease is a condition where your hormones are out of sync and it affects everything from your mood to weight to your thinking as well. Other than this hair loss is a common side effect related to thyroid. The good news however is that it is not permanent. You can sort it out once you detect your thyroid disease.


Hair loss and thyroid:

Thyroid is basically classified into 2 groups, hypothyroidism and hyperthyroidism. The main cause of hair loss happens to be severe and prolonged hypothyroidism and hyperthyroidism. The hair loss in this case is that of the whole scalp rather than some areas. The hair will appear uniformly sparse. Hair regrowth is usually successful in thyroid disorder however it may take several months and may not be complete too. In case of mild thyroid disorder, hair loss is a rare scene. Hair loss due to thyroid disorder will be apparent after many months post the onset of thyroid disorder.

Female Hair Loss

Antithyroid drugs such as carbimazole and propylthiouracil can diffuse hair loss. In fact, it can be a little difficult to know if the hair loss is due to the thyroid disorder or due to the anti-thyroid drugs.

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Hair loss due to autoimmune thyroid disease:


At times people with hypo- or hyperthyroidism may have autoimmune thyroid disease. If a person has one autoimmune disease, then she is more likely to get some other autoimmune condition. . The common autoimmune condition that can cause hair loss is alopecia areata. Alopecia areata can cause discrete, as well as circular, areas of hair loss. Generally this is transient and do not progress however it has the ability to cause significant baldness. Other than these there are other rare autoimmune conditions which may cause hair loss due to scarring and they are generally associated with autoimmune thyroid disorder.

How to know if it is thyroid that might be causing hair loss?

To know if thyroid is the reason behind your hair loss, check for other symptoms of thyroid and they are as follows:

  • Weight changes — either weight loss or weight gain
  • Dryness in the hair or skin
  • Abnormal menstruation
  • Insomnia or lethargy and sleeping too much
  • Cognitive impairment, such as difficulty in paying attention, remembering, and concentrating
  • Being unable to tolerate hot temperatures or cold temperatures
  • Mood changes like anxiety, irritability, and increased nervousness
  • Weakness or pain in the muscles

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Treatment of Thyroid Disease and Hair Loss:

Once you get your thyroid disorder detected, the right kind of treatment can be prescribed in order to regulate thyroid hormones and hence regulate the thyroid hormone levels. When all this is done, the hair loss issue will be resolved itself. When the hormones are regulated, healthy hair will start growing. Only issue is that it can take a little while to get the thyroid under control. You have an option of sporting a wig or getting a new hairstyle until you get your new hair back. Through the treatment, be patient and also understand that hair regrowth can be unpredictable and also be aware of the fact that the new hair may differ in texture and color.

Apart from all these keep your diet healthy and nutritious to get a healthy and good hair regrowth. Eating a lot of green leafy vegetables and fruits and other nutritious food will help you in restoring healthy and beautiful hair.

Also Read – How to Prevent Hair Loss After Pregnancy?

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About the author

Divya Rechesh

Divya Rechesh is a Freelance Writer based in Mumbai currently. Outgoing, spunky and practical is what describes her the best. She hopes to experience new things everyday in life and contribute something to this world through her writing.