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You are here : Healthopedia.com > Drugs & Medications > Detailed Drug Information (USP DI) > Thyroid Hormones

Thyroid Hormones (Systemic)

Description and Brand Names | Before Using | Proper Use | Precautions | Side Effects


Category
  • Antineoplastic—Levothyroxine; Liothyronine; Liotrix; Thyroglobulin; Thyroid
  • Diagnostic aid, thyroid function—Levothyroxine; Liothyronine
  • Thyroid hormone—Levothyroxine; Liothyronine; Liotrix; Thyroglobulin; Thyroid
Description

Thyroid medicines belong to the general group of medicines called hormones. They are used when the thyroid gland does not produce enough hormone. They are also used to help decrease the size of enlarged thyroid glands (known as goiter) and to treat thyroid cancer.

These medicines are available only with your doctor's prescription, in the following dosage forms:

    Oral
  • Levothyroxine
    • Tablets (U.S. and Canada)
  • Liothyronine
    • Tablets (U.S. and Canada)
  • Liotrix
    • Tablets (U.S.)
  • Thyroglobulin
    • Tablets
  • Thyroid
    • Tablets (U.S. and Canada)
    Parenteral
  • Levothyroxine
    • Injection (U.S. and Canada)
  • Liothyronine
    • Injection (U.S.)

Brand Names

Some commonly used brand names are:

In the U.S.—

  • Armour Thyroid 5
  • Cytomel 2
  • Levo-T 1
  • Levothroid 1
  • Levoxyl 1
  • Synthroid 1
  • Thyrar 5
  • Thyroid Strong 5
  • Thyrolar 3
  • Triostat 2
  • Westhroid 5

In Canada—

  • Cytomel 2
  • Eltroxin 1
  • PMS-Levothyroxine Sodium 1
  • Synthroid 1

Note:

For quick reference, the following thyroid hormones are numbered to match the corresponding brand names.

This information applies to the following medicines:
1. Levothyroxine (lee-voe-thye-ROX-een)‡
2. Liothyronine (lye-oh-THYE-roe-neen)‡
3. Liotrix (LYE-oh-trix)†
4. Thyroglobulin (thye-roe-GLOB-yoo-lin)*†
5. Thyroid (THYE-roid)‡§

Note:

This information does not apply to Thyrotropin.
* Not commercially available in the U.S.
† Not commercially available in Canada
‡ Generic name product may be available in the U.S.
§ Generic name product may be available in Canada

   

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Thyroid Hormones: Before Using

Date Revised: 06/21/2000






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Page Last Updated: 30th May, 2006