Generic name:levothyroxine (oral route) [ lee-voe-thye-ROX-een ]
Drug class:Thyroid drugs
Medically reviewed by Drugs.com. Last updated on Mar 22, 2022.
Thyroid hormones, including levothyroxine, should not be used either alone or with other therapeutic agents for the treatment of obesity or weight loss. In euthyroid patients, doses within the range of daily hormonal requirements are ineffective for weight reduction. Larger doses may produce serious or even life-threatening manifestations of toxicity, particularly when given in association with sympathomimetic amines such as those used for their anorectic effects .
The Levothroid brand name has been discontinued in the U.S. If generic versions of this product have been approved by the FDA, there may be generic equivalents available.
Commonly used brand name(s)
In the U.S.
- Levothroid
- Levoxyl
- Synthroid
- Tirosint
- Tirosint-Sol
- Unithroid
Available Dosage Forms:
- Capsule, Liquid Filled
- Solution
- Tablet
Therapeutic Class: Thyroid Supplement
Uses for Levothroid
Levothyroxine is used to treat hypothyroidism, a condition where the thyroid gland does not produce enough thyroid hormone. Levothyroxine is also used to help decrease the size of enlarged thyroid glands (also called a goiter) and to treat thyroid cancer.
This medicine is available only with your doctor's prescription.
Before using Levothroid
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Allergies
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any ot..
