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Hypothyroidism and Hair: The Impacts of an underactive Thyroid.

The thyroid is a gland situated at the base of your neck which releases hormones regulating the way your metabolism functions throughout the day. When the thyroid does not secrete enough of these hormones, certain problems can arise. This insufficient production of hormones is referred to in medical circles as Hypothyroidism. Whilst often difficult to diagnose and recognise in patients, there are a few symptoms to look out for.

What are the main symptoms?

Hypothyroidism can produce both mental and physical symptoms and slows down the human body’s inner workings. The thyroid is responsible for the production of the T3 and T4 hormones. These hormones are responsible for the regulation of the body’s energy. The main symptoms that follow the lack of these hormones are often common among all people, which is why the condition so often goes under the radar. Being tired, being acutely aware of colder temperatures, gaining weight as well as depressive thoughts and infrequent bowel movements have all been reported in patients who suffer from an under-active thyroid gland. Furthermore, patients have reported general lethargy in their movements and thoughts whilst suffering from this condition.

How does hypothyroidism impact hair?

Whilst the symptoms may pertain to many other conditions, the production levels of the thyroid gland have been documented to directly influence certain changes in appearance. Eyebrows which appear to be thinning or with hairs becoming sparser could be a symptom of this condition. The outer portion of the eyebrow is usually the most impacted by this thinning, and it is often one of the earliest symptoms of an underactive thyroid. A sparser hairline can also occur as a result. The thyroid function impacts these areas as whilst the body naturally sheds hair from these areas, the lack of T3 and T4 hormones makes new hair growth to replace the lost hair difficult. Oxymoronically, whilst hair loss is not a symptom for every patient suffering from a diseased thyroid, some medications which counter the impacts of it may consequentially cause hair loss in these areas.

How can Hypothyroidism be diagnosed?

Blood tests often indicate whether or not the thyroid gland is functioning properly and adequately reveal the state of your hormone levels. The specific blood test used for this purpose is named the Thyroid Function Test.

If you suspect you or a family member are suffering from hypothyroidism, please get in touch with one of Clinipath’s excellent healthcare workers and scientists.

If you would like information on how to kickstart your journey to a healthier you, contact us today on +356 21221355, 9985 2404 or send an email on

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