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Precise. Consistent. Trusted.
America’s #1 prescribed branded hypothyroidism medication*
*February 2019 through January 2025.
Tablets shown not actual size and may not represent exact color.
Precise. Consistent. Trusted.
America’s #1 prescribed branded hypothyroidism medication*
*February 2019 through January 2025.
Tablets shown not actual size and may not represent exact color.
Dosing tailored to you
There's no "one-size-fits-all" solution for hypothyroidism. That's why Synthroid comes in 12 precise dosing options, so you and your doctor can find the dose that's right for you.
Voice your choice for Synthroid
Discover simple ways to make sure you receive brand-name Synthroid exactly as your doctor prescribed at the pharmacy.
Looking for ways to save?
With multiple ways to save on Synthroid, you can find the savings benefit that works to help you get your prescription.
Hear about how Lisa works closely with her doctor to manage her hypothyroidism with Synthroid, a treatment she’s able to easily work into her regular routine.
Learn about Synthroid, hypothyroidism, and more.
SYNTHROID® (levothyroxine sodium) tablets, for oral use is a prescription, man-made thyroid hormone that is used to treat a condition called hypothyroidism in adults and children, including infants. It is meant to replace a hormone that is usually made by your thyroid gland. Generally, thyroid replacement treatment is to be taken for life. SYNTHROID should not be used to treat noncancerous growths or enlargement of the thyroid in patients with normal iodine levels, or in cases of temporary hypothyroidism caused by inflammation of the thyroid gland (thyroiditis).
This is the most important safety information you should know about SYNTHROID. For more information, talk with your doctor.
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch or call 1-800-FDA-1088.
If you are having difficulty paying for your medicine, AbbVie may be able to help. Visit AbbVie.com/myAbbVieAssist to learn more.
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