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Hair Loss Due to Thyroid Problems: What to Know

Where Hair Loss is typically felt, shown on a simplified body outline
Illustration: Where Hair Loss is typically felt, shown on a simplified body outline

Short answer

Hair loss due to thyroid disease can reflect an altered hair-growth cycle, but a clinical assessment is needed to identify the cause.

This answers one question. It is not a diagnosis and does not replace an assessment by a licensed doctor.

At a glance

Pattern
Often diffuse rather than one bare patch
Clues
Hair changes may occur with body symptoms
Check
Thyroid history and blood tests may help

How thyroid changes can affect hair

Both an underactive and an overactive thyroid can be associated with diffuse scalp shedding or a change in hair texture. Other clues may include fatigue, feeling unusually cold or warm, weight change, palpitations, dry skin, bowel changes, or altered menstrual cycles. These symptoms overlap with many conditions, so hair loss alone does not establish a thyroid diagnosis. A clinician will review your history, medicines, examination findings, and thyroid blood tests when appropriate. Other explanations include [Telogen Effluvium](/conditions/telogen-effluvium/), [Female Pattern Hair Loss](/conditions/female-pattern-hair-loss/), or [Alopecia Areata](/conditions/alopecia-areata/).

What to do next

Book a medical assessment if shedding is new, ongoing, or paired with general symptoms. Bring the names and doses of thyroid medicines, supplements, and recent treatments, and mention any dose change or missed treatment. Do not alter thyroid medicine or take high-dose hair supplements on your own. Gentle washing and reduced heat can limit breakage, but they do not correct a thyroid imbalance. If testing identifies thyroid disease, follow-up care focuses on restoring the appropriate hormone balance and monitoring symptoms; hair changes may not improve immediately.

When to seek care

Seek urgent care for chest pain, fainting, severe breathlessness, or a very rapid or irregular heartbeat. Arrange prompt review for sudden patchy loss, scalp inflammation, or eyebrow loss, which may suggest a different condition. Persistent shedding also deserves assessment because [Hair Loss](/symptoms/hair-loss/) can have several causes, including [Scalp Ringworm](/conditions/scalp-ringworm/) or traction.

Useful questions

Could my symptoms and hair pattern fit a thyroid disorder? Which thyroid tests are appropriate? Could a medicine, iron problem, or another hair condition be contributing? When should my thyroid treatment and hair be reassessed? Is [Finasteride Treatment](/treatments/hair-restoration/finasteride-therapy/) unsuitable or relevant to my diagnosis?

Find care

General Clinics & Polyclinics in Abu Dhabi

That answer is general. If you want it applied to your own case, these are licensed general clinics & polyclinics listed in Abu Dhabi.

City
See every listing in Abu Dhabi

Ordered by verification status and how complete each clinic's public record is, then alphabetically. This is a directory listing, not a ranking — Zavis does not rate or recommend providers.

A factual listing drawn from the DHA, DOH and MOHAP licence registers. It is not a referral, an endorsement, or advice that any of these providers is right for you.

Questions people ask

Does hair loss prove that the thyroid is abnormal?

No. Hair loss has multiple possible causes, and testing is needed when thyroid disease is suspected.

Should thyroid medicine be stopped because of shedding?

No. Discuss concerns with the prescriber before changing treatment.

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Medical disclaimer. This page is general health information, not medical advice, and it cannot diagnose you. Always consult a licensed healthcare provider about your own symptoms and treatment. In an emergency in the UAE, call 998 for an ambulance.