Thyrolar

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) ? - 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 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


Thyrolar Consumer (continued)

SIDE EFFECTS: Some hair loss may occur during the first few months of starting this drug. This effect is usually temporary as your body adjusts to this medication. If this effect persists or worsens, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious effects of high thyroid hormone levels occur: diarrhea, bone pain, headache, mental/mood changes (e.g., nervousness, mood swings), shaking (tremor), sensitivity to heat, increased sweating, tiredness.

Seek immediate medical attention if any of these rare but very serious effects of high thyroid hormone levels occur: chest pain, fast/pounding/irregular heartbeat, seizures, swelling of the ankles/feet.

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: 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 disorders (e.g., decreased pituitary hormone).

If you have diabetes, this medication may increase your blood sugar levels. Check your blood glucose levels regularly as directed by your doctor. Tell your doctor immediately if you have symptoms of high blood sugar, such as increased thirst and urination. Your anti-diabetic medication or diet may need to be adjusted.

Before having surgery, tell your doctor or dentist that you are taking this medication.

Caution is advised when using this drug in the elderly because they may be more sensitive to the effects on the heart caused by high thyroid hormone level.

Current information shows that this drug may be used during pregnancy. Tell your doctor if you are pregnant or if you become pregnant because your dose may need to be adjusted.

Small amounts of this medication pass into breast milk. Consult your doctor before breast-feeding.



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