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Thyrolar

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Thyrolar

Thyrolar® Tablets
(liotrix) Tablets, USP

DRUG DESCRIPTION

Thyrolar Tablets (Liotrix Tablets, USP) contain triiodothyronine (T3 liothyronine) sodium and tetraiodothyronine (T4levothyroxine) sodium in the amounts listed in the "How Supplied" section. (T3 liothyronine sodium is approximately four times as potent as T4thyroxine on a microgram for microgram basis.)

The inactive ingredients are calcium phosphate, colloidal silicon dioxide, corn starch, lactose, and magnesium stearate. The tablets also contain the following dyes: Thyrolar (liotrix) 1/4 - FD&C Blue #1 and FD&C Red #40; Thyrolar (liotrix) ½ - FD&C Red #40 and D&C Yellow #10; Thyrolar (liotrix) 1 - FD&C Red #40; Thyrolar (liotrix) 2 - FD&C Blue #1, FD&C Red #40, and D&C Yellow #10; Thyrolar (liotrix) 3 - FD&C Red #40 and D&C Yellow #10.

STRUCTURAL FORMULAS

Thyrolar (T3 liothyronine  and T4 levothyroxine) structural formula illustration

What are the possible side effects of liotrix (Thyrolar-1, Thyrolar-1/2, Thyrolar-1/4, Thyrolar-2, Thyrolar-3)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Less serious side effects may include:

  • headache;
  • nausea;
  • depression, anxiety, feeling weak or tired;
  • weight gain;
  • dry or itchy skin;
  • joint or muscle pain; or
  • temporary hair loss (especially in children).

This is not a complete list of side effects and others may occur. Call your doctor for medical...

Read All Potential Side Effects and See Pictures of Thyrolar »

What are the precautions when taking liotrix (Thyrolar)?

Before taking liotrix, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: increased thyroid hormones (thyrotoxicosis), a heart attack (acute myocardial infarction), adrenal gland problem (e.g., uncorrected adrenal insufficiency).

Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart disease (e.g., coronary artery disease, irregular heartbeat), high blood pressure, diabetes, other hormone...

Read All Potential Precautions of Thyrolar »

Last reviewed on RxList: 5/7/2009
This monograph has been modified to include the generic and brand name in many instances.

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Thyrolar - User Reviews

Thyrolar User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Thyrolar sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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