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Weight Gain

Is Your Thyroid to Blame for Your Weight Gain?

Endocrinologist Minisha Sood, MD, explains how thyroid problems may affect weight and other symptoms of underactive thyroid.

Lauren Smith, MASanjai Sinha, MD
Written by Lauren Smith, MA | Reviewed by Sanjai Sinha, MD
Updated on April 4, 2025
Featuring Preeti Parikh, MD, Minisha Sood, MDReviewed by Sanjai Sinha, MD | April 4, 2025

Many individuals who are gaining weight — and don’t know why — wonder if their thyroid is to blame. Thyroid problems are common, and experts know there’s a definite link between thyroid problems and weight.

If your thyroid is the cause of your weight gain, a combination of treatment and lifestyle changes should help you lose weight. If the thyroid is not to blame, your doctor can work with you to find what’s causing your weight gain, and what you can do about it.

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Lauren Smith, MA
Written by:
Lauren Smith, MA
Lauren Smith, MA, has worked in health journalism since 2017. Before joining GoodRx, she was the senior health editor and writer for HealthiNation.
Sanjai Sinha, MD
Reviewed by:
Sanjai Sinha, MD
Sanjai Sinha, MD, is a board-certified physician with over 20 years of experience. He specializes in internal medicine.

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