Learn more about usage, cautions, and possible side effects .
Chemical Name: THYROID (THYE-roid)
This medicine is a thyroid hormone used to treat low thyroid levels. It may also be used to treat other conditions as determined by your doctor.
WARNING: This medicine must not be used to treat obesity because serious, even life-threatening, effects could occur. Excessive levels of thyroid hormone can cause irregular heartbeats, nervousness, weight loss, and insomnia. Some medicines or medical conditions may interact with this medicine. INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. ADDITIONAL MONITORING OF YOUR DOSE OR CONDITION may be needed if you are taking digoxin, digitoxin, digitalis, calcium, or anticoagulants. Inform your doctor of any other medical conditions, allergies, pregnancy, or breast-feeding. Contact your doctor or pharmacist if you have any questions or concerns about taking this medicine.
Follow the directions for using this medicine provided by your doctor. How you take this medicine with regard to food may affect how well it is absorbed into your body. Certain types of foods (eg, soybean products) may also affect how well this medicine is absorbed. CHECK WITH YOUR DOCTOR about how you should take this medicine with regard to food. DO NOT TAKE cholestyramine or colestipol within 6 hours of taking this medicine. TRY TO TAKE THIS MEDICINE at the same time each day. STORE THIS MEDICINE at room temperature, away from heat and light. IF YOU MISS A DOSE OF THIS MEDICINE, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
CONTINUOUS USE OF THIS MEDICINE FOR A FEW WEEKS may be necessary to relieve symptoms of your condition. CHECK WITH YOUR DOCTOR if you experience trembling or shaking hands, nervousness, difficulty sleeping, headache, change in appetite, diarrhea, weight loss, increased sweating, increased sensitivity to heat, increased heart rate, chest pain, or shortness of breath. THESE SYMPTOMS MAY MEAN THAT YOUR DOSE needs to be adjusted. Do not adjust your dose or stop taking this medicine without checking with your doctor. BEFORE YOU HAVE ANY MEDICAL OR DENTAL TREATMENTS, EMERGENCY CARE, OR SURGERY, tell the doctor or dentist that you are using this medicine. Keep all doctor and laboratory appointments while you are taking this medicine. BEFORE YOU BEGIN TAKING ANY NEW MEDICINE, either prescription or over-the-counter, check with your doctor or pharmacist. Caution should be used in the elderly since they may be more sensitive to the effects of this drug.
NO COMMON SIDE EFFECTS HAVE BEEN REPORTED with the proper use of this medicine. If you notice any unusual effects, contact your doctor, nurse, or pharmacist. Symptoms of low thyroid levels include fatigue, muscle aches, constipation, dry skin, weight gain, slow heartbeat, sensitivity to cold, or dry brittle hair that tends to fall out easily. These symptoms should disappear as your body adjusts to the medication. If they persist or become bothersome, inform your doctor. Symptoms of high thyroid levels include headache, chest pain, fast or irregular heartbeat, shortness of breath, trembling, sweating, diarrhea, weight loss. If you experience any of these effects, contact your doctor. Your dose may need to be adjusted. If you notice other effects not listed above, contact your doctor or pharmacist. This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your healthcare provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Drug interactions can result in unwanted side effects or prevent a medicine from doing its job. Use our drug interaction checker to find out if your medicines interact with each other. Check drug interactions
If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include nervousness, fast heart rate, diarrhea, stomach cramps, trouble sleeping, and weight loss.
DO NOT SHARE THIS MEDICINE with others for whom it was not prescribed. DO NOT USE THIS MEDICINE for other health conditions. KEEP THIS MEDICINE out of the reach of children. IF USING THIS MEDICINE FOR AN EXTENDED PERIOD OF TIME, obtain refills before your supply runs out.
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