Levothyroxine is used to treat an underactive thyroid (hypothyroidism). It replaces or provides more thyroid hormone, which is normally produced by the thyroid gland. Low thyroid hormone levels can occur naturally or when the thyroid gland is injured by radiation/medications or removed by surgery. Having enough thyroid hormone is important for maintaining normal mental and physical activity. In kids, having enough thyroid hormone is essential for normal mental and physical development.
This medication can also be used to take care of other types of thyroid disorders (such as for instance certain types of goiters, thyroid cancer).
This medicine ought not to be used to treat infertility unless it is brought on by low thyroid hormones levels.
Take this medicine by mouth as directed by your doctor, usually once daily on an stomach that is empty 30 minutes to 1 hour before breakfast. Take this medication with a glass that is full of unless your doctor directs you otherwise.
It whole if you are taking the capsule form of this medication, swallow. Do not split, crush, or chew. People who cannot swallow the capsule whole (such as infants or small children) should use the tablet type of the medicine.
For infants or children who cannot swallow whole tablets, crush the tablet and mix in one to two teaspoons (5 to 10 milliliters) of water, and give using a spoon or dropper immediately. Do not prepare a supply in advance or mix the tablet in soy infant formula. Consult your pharmacist for more information.
Dosage relies in your age, weight, medical condition, laboratory test results, and response to treatment.
Utilize this medication regularly in order to get the most benefit from it. Each day to help you remember, take it at the same time.
Do not stop taking this medication without first consulting together with your doctor. Thyroid replacement treatment is frequently taken for life.
There will vary brands of levothyroxine available. Do not change brands without first consulting your pharmacist or doctor.
Particular medications (such as for example cholestyramine, colestipol, colesevelam, antacids, sucralfate, simethicone, iron, salt polystyrene sulfonate, supplements, orlistat, sevelamer, and others) can decrease the total amount of thyroid hormones that is absorbed by your body. From this medication by at least 4 hours if you are taking any of these drugs, separate them.
Symptoms of low thyroid hormone levels consist of tiredness, muscle aches, constipation, dry skin, fat gain, slow heartbeat, or sensitivity to cold. Tell your doctor if your trouble worsens or persists after several weeks of taking this medicine.
Hair loss might occur during the first few months of treatment. This effect is usually temporary as your body adjusts to this medication. If this effect persists or worsens, tell your doctor or pharmacist quickly.
Remember that your doctor has prescribed this medication she has judged that the benefit to you is greater than the risk of side effects because he or. Many people using this medication do not have serious adverse effects.
Tell your doctor immediately if any of these unlikely but serious aftereffects of high thyroid hormone amounts happen: increased sweating, sensitivity to heat, mental/mood changes (such as nervousness, mood swings), tiredness, diarrhea, shaking tremor that is(, frustration, difficulty breathing.
Get medical help right away if any among these uncommon but severe ramifications of high thyroid hormone levels occur: chest pain, fast/pounding/irregular heartbeat, swelling hands/ankles/feet, seizures.
An extremely serious allergic reaction to this drug is rare. However, get help that is medical away if you notice any outward indications of a critical allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is simply not a list that is complete of adverse effects. If you notice other effects not listed above, contact your pharmacist or doctor.
In the US -
Call your physician for medical advice about side-effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your physician for medical advice about negative effects. You may report side effects to Health Canada at 1-866-234-2345.
Before using levothyroxine, tell your physician or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which trigger allergic responses or other problems. Talk to your pharmacist for lots more details.
Before making use of this medicine, tell your medical professional or pharmacist your medical history, especially of: increased thyroid hormones (thyrotoxicosis), decreased adrenal gland function, cardiovascular illnesses (such as coronary artery infection, irregular heartbeat), high blood pressure, diabetes.
Before having surgery, tell your medical professional or dentist about all the products you use (including prescribed drugs, nonprescription drugs, and herbal services and products).
Current information shows that this drug may be used during pregnancy. Tell your doctor if you are pregnant because your dose may have to be adjusted.
Levothyroxine passes into breast milk but is unlikely to harm a medical infant. Consult your doctor before breast-feeding.
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