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What is it for?
A common thyroid hormone replacement in Canada for an underactive thyroid.
Primary Condition
Hypothyroidism
How it works
Replaces the thyroid hormone T4 to restore normal metabolism.
Common Side Effects
This is not a complete list of side effects. Always consult with a doctor.
- Not for weight loss
- Palpitations
- Insomnia
- Tremor
- Weight changes
Synthroid FAQs
What is Synthroid used for?
Synthroid (levothyroxine) is a prescription medication used to treat Hypothyroidism. A common thyroid hormone replacement in Canada for an underactive thyroid.
How does Synthroid work?
Replaces the thyroid hormone T4 to restore normal metabolism.
What are the common side effects of Synthroid?
Commonly reported side effects of Synthroid include Not for weight loss, Palpitations, Insomnia, Tremor, and Weight changes. This is not a complete list — tell your doctor or pharmacist about any side effects you experience.
Does Synthroid have any serious warnings?
Yes. Synthroid carries an FDA Boxed Warning — the agency's most serious safety warning. Read the full prescribing information and talk to your doctor about the risks before starting or changing treatment.
What is the generic name for Synthroid?
The active ingredient in Synthroid is levothyroxine, which belongs to a class of medicines known as Thyroid Hormone.
Who makes Synthroid?
Synthroid is manufactured by AbbVie. It was first approved in 1985.
How can I save money on Synthroid?
You may be able to lower the cost of Synthroid by using a free pharmacy discount card or by comparing prices across pharmacies before you fill your prescription. Savings vary by pharmacy and location.
Common questions about Synthroid
Quick Facts
Manufacturer
AbbVie
Year Approved
1985
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