Question: Thyrolar
Thyrolar is the brand name for liotrix, a synthetic T4/T3 levothyroxine/liothyronine combination drug for thyroid hormone replacement.
Answer: Generic Name
Liotrix
Manufactured by
Forest Pharmaceuticals
Thyrolar is a brand name of liotrix.
Dosages and T3/T4 Concentrations
- Thyrolar 1/4 -- 3.1 mcg T3/12.5 mcg T4
- Thyrolar 1/2 -- 6.25 mcg T3/25 mcg T4
- Thyrolar 1 -- 12.5 mcg T3/ 50 mcg T4
- Thyrolar 2 -- 25 mcg T3/ 100 mcg T4
- Thyrolar 3 -- 37.5 mcg T3/ 150 mcg T4
Fillers, binders and dyes that may present allergenic potential include:
- Calcium phosphate
- Solloidal silicon dioxide
- Corn starch
- Lactose
- Thyrolar 1/4 -- FD&C Blue No. 1, FD&C Red No. 40
- Thyrolar 1/2 -- FD&C Red No. 40, D&C Yellow No. 10
- Thyrolar 1 -- FD&C Red No. 40
- Thyrolar 2 -- FD&C Blue No. 1, FD&C Red No. 40, D&C Yellow No. 10
- Thyrolar 3 -- FD&C Red No. 40, D&C Yellow No. 10
Thyrolar needs to be kept at a refrigerated temperature between 36° and 46° F (2°-8° C). This refrigeration will ensure that Thyrolar remains potent and stable.
Availability
(Note: Currently, Armour Thyroid and Thyrolar are not readily available outside the U.S. If you are interested in these products in Canada or other countries, start by contacting the Broda Barnes Foundation.)
Links to Essential Information
- PRESCRIBING INFORMATION (PDF file)
- DrugFinder
- RxList
- Google Web Search on Thyrolar
- Google News Search on Thyrolar
- Thyrolar at Drugstore.com
Last Updated: February 2006.
Mary Shomon, About.com's Thyroid Guide since 1997, is a nationally-known patient advocate and best-selling author of 10 books on health, including "The Thyroid Diet: Manage Your Metabolism for Lasting Weight Loss," "Living Well With Hypothyroidism: What Your Doctor Doesn't Tell You...That You Need to Know," "Living Well With Graves' Disease and Hyperthyroidism," "Living Well With Autoimmune Disease," "Living Well With Chronic Fatigue Syndrome and Fibromyalgia," and the "Thyroid Guide to Fertility, Pregnancy and Breastfeeding Success." Click here for more information on Mary Shomon.
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