References "Product Information. Synthroid (levothyroxine)." Abbott Pharmaceutical, Abbott Park, IL. "Product Information. Thyrolar (liotrix)." Forest Pharmaceuticals, St. Louis, MO. "Product Information. Cytomel (liothyronine)." SmithKline Beecham, Philadelphia, PA. View all 4 references.
Therefore, levothyroxine should be taken on a consistent schedule with regard to time of day and relation to meals to avoid large fluctuations in blood levels, which may alter its effects.
Do not use this medication without telling your doctor if you are breast-feeding a baby. Your dose needs may be different while you are nursing. How should I take levothyroxine? Take levothyroxine exactly as prescribed by your doctor.
Kelp Avoid products such as kelp, as they may interfere with thyroid function wellbeing. Kelp is derived from seaweed and is naturally high in iodine. Because of this it is sometimes marketed as a "thyroid booster" and can be purchased in dry preparations and tablets.
Also, it can be harmful and dangerous to take iodine if you have an overactive thyroid, even if you are on standard anti thyroid drugs, as the extra iodine counteracts their effects.
Slideshow: Synthroid: The Hardest Working Drug Around? Levothyroxine should not be used to treat obesity or weight problems. Dangerous side effects or death can occur from the misuse of levothyroxine, especially if you are taking any other weight-loss medications or appetite suppressants.
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The Levoxyl tablet can dissolve very quickly and swell in the throat, possibly causing choking or gagging. While using levothyroxine, you may need frequent medical tests. Tell any doctor or dentist who treats you that you are using levothyroxine.
Generic Name: levothyroxine (LEE voe thye ROX een) Brand Names: Levothroid, Levoxyl, Synthroid, Tirosint, Unithroid What is levothyroxine? Levothyroxine is a replacement for a hormone normally produced by your thyroid gland to regulate the body's energy and metabolism.
Avoid the following food products, which can make your body absorb less levothyroxine: infant soy formula, cotton seed meal, walnuts, and high-fiber foods. Levothyroxine side effects Get emergency medical help if you have any of these signs of an allergic reaction to levothyroxine: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have a serious side effect such as: fast or irregular heart rate; fever, hot flashes, sweating; sleep problems (insomnia changes in your menstrual periods; or vomiting, diarrhea, appetite changes, weight changes.
If you wish to take soya, there should be as long a time interval as possible between eating the soya and taking the thyroxine. There is evidence of certain brands of soya milk being withdrawn from sale by authorities in countries such as Ireland, Australia, New Zealand and Japan because they contained excessive amounts of.
If chest pain or exacerbation of cardiovascular disease occurs, the dosage of thyroid hormone should be reduced, even at the expense of achieving euthyroid state. Thyroid hormones should not be administered to patients with an acute myocardial infarction that is not complicated by hypothyroidism.
But check with your doctor to see if you should continue your supplement regimen. Antacids, when taken with levothyroxine, may decrease the oral bioavailability of this thyroid hormone medication. While the mechanism of interaction is unknown, it is thought to involve nonspecific absorption of levothyroxine in the gastrointestinal tract, thus reducing the effects of levothyroxine.