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 activity that is physical. In children, having enough thyroid hormone is essential for normal mental and development that is physical.
This medication can also be utilized to take care of other types of thyroid disorders (such as certain forms of goiters, thyroid cancer).
This medication ought not to be used to treat infertility unless it is caused by low thyroid hormones amounts.
Take this medication 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.
If you are taking the capsule form of this medication, swallow it whole. Do not split, crush, or chew. People who cannot swallow the capsule whole (such as infants or small children) should use the tablet as a type of the medication.
For infants or children who cannot swallow tablets that are whole crush the tablet and mix in one to two teaspoons (5 to 10 milliliters) of water, and give using a spoon or dropper right away. Do not prepare a supply in advance or mix the tablet in soy infant formula. Consult your pharmacist to get more information.
Dosage is situated on your own age, weight, medical condition, laboratory test results, and reaction to treatment.
Make use of this medication regularly in order to get the benefit that is most from it. To help you remember, take it at the same time each day.
Never stop taking this medication without first consulting along with your doctor. Thyroid replacement treatment is often taken for life.
There are very different brands of levothyroxine available. Do not change brands without first consulting your pharmacist or doctor.
Particular medications (such as for instance cholestyramine, colestipol, colesevelam, antacids, sucralfate, simethicone, iron, sodium polystyrene sulfonate, calcium supplements, orlistat, sevelamer, and others) can decrease the amount of thyroid hormone 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 include tiredness, muscle aches, constipation, dried-out skin, weight gain, slow heartbeat, or sensitivity to cold. Tell your physician if your problem worsens or persists after several weeks of taking this medication.
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 immediately.
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 side that is serious.
Tell your physician straight away if any of these unlikely but serious ramifications of high thyroid hormones levels occur: increased sweating, sensitivity to heat, mental/mood changes (such as nervousness, mood swings), tiredness, diarrhea, shaking tremor that is(, headache, difficulty breathing.
Get medical help right away if any of these rare but severe ramifications of high thyroid hormone levels occur: chest pain, fast/pounding/irregular heartbeat, inflammation hands/ankles/feet, seizures.
An extremely serious reaction that is allergic this drug is rare. However, get medical help right away if you see any symptoms of a critical allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
It is not a complete list of possible side effects. If you notice other effects not listed above, contact your pharmacist or doctor.
In the US -
Call your doctor for medical advice about unwanted effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about side effects. You may report effects that are side Health Canada at 1-866-234-2345.
Before taking levothyroxine, tell your doctor or pharmacist if you have any other allergies if you are allergic to it; or. This product may contain inactive ingredients, which causes allergic reactions or other problems. Speak to your pharmacist to get more details.
Before making use of this medication, tell your medical professional or pharmacist your medical history, specially of: increased thyroid hormones (thyrotoxicosis), decreased gland that is adrenal, heart disease (such as for instance coronary artery disease, irregular heartbeat), high blood pressure, diabetes.
Before having surgery, tell your physician or dentist about all the merchandise you utilize (including prescribed drugs, nonprescription drugs, and herbal items).
Current information implies that this drug might be used during pregnancy. Tell your doctor if you are pregnant because your dose might should be adjusted.
Levothyroxine passes into breast milk but is not likely to harm a medical infant. Consult your doctor before breast-feeding.
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