"Despite having normal blood levels of thyroid-stimulating hormone (TSH), many patients treated for hypothyroidism with levothyroxine (L-T4) continue to have symptoms, including fatigue as well as a higher body mass index (BMI) and a greater likel"...
(liotrix) Tablets, USP
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.
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:
- 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...
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...
Last reviewed on RxList: 5/7/2009
This monograph has been modified to include the generic and brand name in many instances.
Additional Thyrolar Information
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