Store at room temperature away from moisture and heat. It may take several weeks before your body starts to respond to levothyroxine. Keep using this medicine even if you feel well.Before taking this medicine. 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.
Use: As replacement or supplemental therapy in congenital or acquired hypothyroidism of any etiology, except transient hypothyroidism during the recovery phase of subacute thyroiditis. Specific indications include: primary (thyroidal secondary (pituitary and tertiary (hypothalamic) hypothyroidism and subclinical hypothyroidism.If you use any of the following drugs, avoid taking them within 4 hours before or 4 hours after you take levothyroxine: calcium carbonate (Alka-Mints, Calcium Oyster Shell, Caltrate, Os-Cal, Oyster Shell Calcium, Rolaids Soft Chew, Tums, and others cholestyramine, colestipol; ferrous sulfate iron supplement; sucralfate; sodium polystyrene sulfonate (Kalexate, Kayexalate, Kionex or antacids that.
Your pharmacist can provide more information about levothyroxine. Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medicine only for the indication prescribed.This includes prescription, over-the-counter, vitamin, and herbal products. Give a list of all your medicines to any healthcare provider who treats you. More about levothyroxine Consumer resources Professional resources Related treatment guides Where can I get more information?
Generally, TSH is suppressed to less than 0.1 international units per liter (mU/L and this usually requires a dose of greater than 2 mcg/kg/day. However, in patients with high-risk tumors, the target level for TSH suppression may be less than 0.01 mU/L.Font Size Thyroid Medications (cont.) Thyroid Hormone Replacement There is one purpose for taking thyroid hormone: to replace the thyroid hormone levels when your thyroid is underactive (hypothyroidism). L-thyroxine (also called LT4 or levothyroxine) L-thyroxine is the most commonly used form of thyroid hormone replacement.
Comment: -The age, general physical condition, cardiac risk factors, and severity of myxedema and duration of myxedema symptoms should be considered when determining the starting and maintenance dosages. Use: Myxedema coma Usual Geriatric Dose for Hypothyroidism ELDERLY PATIENTS WITH CARDIAC DISEASE : -Initial dose: 12.5 to 25 mcg orally per day, with gradual dose increments.If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist. Copyright Cerner Multum, Inc. Version: 11.02. Revision Date:, AM).
Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects.The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient.
-The peak therapeutic effect of this drug may not be attained for 4 to 6 weeks. Usual Pediatric Dose for Hypothyroidism CONGENITAL OR ACQUIRED HYPOTHYROIDISM : -Neonatal: 10 to 15 mcg/kg/day; if patient is at risk for development of cardiac failure, begin with a lower dose.This medicine contains the synthetic form of a thyroid hormone. L-thyroxine as medication is identical to the L-thyroxine which is the major hormone made by the thyroid gland. L-thyroxine is the most commonly prescribed form of thyroid hormone replacement.
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.Having low thyroid hormone levels during pregnancy could harm both mother and baby. Your dose needs may be different during pregnancy. See also: Pregnancy and breastfeeding warnings (in more detail) Levothyroxine can pass into breast milk, but it is not expected to be harmful to a nursing baby.
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.This drug is contraindicated if the serum TSH is already suppressed due to the risk of precipitating overt thyrotoxicosis. Usual Adult Dose for Myxedema Coma. Myxedema coma is a life-threatening emergency characterized by poor circulation and hypometabolism, and may result in unpredictable absorption of the oral dosage form of this drug from the GI.
Do not share this medication with another person, even if they have the same symptoms you have. Levothyroxine works best if you take it on an empty stomach, at least 30 minutes before breakfast.ALWAYS consult your doctor or pharmacist. Usual Adult Dose for: Usual Geriatric Dose for: Usual Pediatric Dose for: Additional dosage information: Usual Adult Dose for Hypothyroidism -HYPOTHYROIDISM IN ADULTS AND IN CHILDREN IN WHOM GROWTH AND PUBERTY ARE COMPLETE : Therapy may begin at full replacement doses in otherwise healthy individuals less than 50 years.
Initial L-thyroxine dose The initial dose of LT4 is based on age, weight, and medical history. Current brands include: Physicians should be aware of the following conditions that their patients may also have when prescribing L-thyroxine: L-thyroxine is taken once each day by mouth.Levothyroxine is given when the thyroid does not produce enough of this hormone on its own. Levothyroxine treats hypothyroidism (low thyroid hormone). It is also used to treat or prevent goiter (enlarged thyroid gland which can be caused by hormone imbalances, radiation treatment, surgery, or cancer.
Important information You may not be able to take levothyroxine if you have certain medical conditions. Tell your doctor if you have an untreated or uncontrolled adrenal gland disorder, a thyroid disorder called thyrotoxicosis, or if you have any recent or current symptoms of a heart attack.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.