What is a thyroid disorder?
Thyroid disorders can broadly be categorised into two main types: hypothyroidism and hyperthyroidism.
Thyroid disorders can cause hair loss, and here's how...
Thyroid disorders can contribute to hair loss, and the impact on hair health is often linked to the thyroid hormone levels in the body. The thyroid gland produces hormones, primarily thyroxine (T4) and triiodothyronine (T3), which play a crucial role in regulating the body's metabolism. When there is an imbalance in these hormones, it can lead to various symptoms, including hair loss.
Here's how thyroid disorders may affect hair health:
Hypothyroidism (Underactive Thyroid)
With hypothyroidism, the thyroid gland doesn't produce enough thyroid hormones. Symptoms may include fatigue, weight gain, dry skin, and hair loss. Hair loss in hypothyroidism is often diffuse, meaning it occurs evenly across the scalp.
Hyperthyroidism (Overactive Thyroid)
In hyperthyroidism, there is an excess of thyroid hormones. Hair loss may occur, but it can be less common than with hypothyroidism. Hair loss in hyperthyroidism may be more localised, with patches of thinning or baldness.
Autoimmune Conditions
Conditions like Hashimoto's thyroiditis (associated with hypothyroidism) and Graves' disease (associated with hyperthyroidism) are autoimmune disorders affecting the thyroid. The autoimmune response may also impact hair follicles, leading to hair loss.
Telogen Effluvium
Both hyperthyroidism and hypothyroidism can trigger a condition called telogen effluvium. This is a type of temporary hair loss where a significant number of hair follicles enter the resting phase simultaneously and then shed.
Summary
If you are experiencing hair loss and suspect it may be related to thyroid issues, it's essential to consult with a healthcare professional. They can conduct blood tests to assess thyroid hormone levels (TSH, T3, T4) and other relevant markers to determine if a thyroid disorder is present.
Treatment for thyroid-related hair loss typically involves managing the underlying thyroid condition. Once thyroid hormone levels are stabilised through medication or other interventions, hair loss may gradually improve.
Additionally, a balanced diet, adequate nutrition, and good hair care practices can support overall hair health.
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