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Symptom Checker

Step 4: Read and complete the decision guide to learn more about your symptoms.

Unexplained Weight Gain

People who have an underactive thyroid often gain weight, though not usually a dramatic amount. This condition also makes it difficult to lose any extra pounds that you put on.

Have you noticed either of the following:

  • Coarse, thinning hair

  • Dry skin?

Yes

No

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