Levothyroxine

Brand names: Synthroid, Levoxyl

Levothyroxine is a synthetic thyroid hormone used to treat hypothyroidism (underactive thyroid).

Thyroid Hormone
Prescription Required
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Table of Contents

At a Glance

What is it?
Levothyroxine is a synthetic thyroid hormone used to treat hypothyroidism (underactive thyroid).
Drug Class
Thyroid Hormone

Overview

Levothyroxine is a synthetic thyroid hormone used to treat hypothyroidism (underactive thyroid).

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Sources & References

  1. FDA Drug Label Information — fda.gov
  2. National Library of Medicine (DailyMed) — dailymed.nlm.nih.gov
  3. MedlinePlus Drug Information — medlineplus.gov
  4. American Pharmacists Association — pharmacist.com
  5. National Institutes of Health (NIH) — nih.gov
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