This medicine is used for the following purposes:
- low thyroid levels
- cancer
Brand Name(s): Euthyrox, Levo-T, Levoxyl, Synthroid, Unithroid
Generic Name: Levothyroxine
Instructions
Take the medicine on an empty stomach.
Take the medicine 30 to 60 minutes before the first meal of the day.
Swallow with a full glass (8 oz) of water unless your doctor gives you different instructions.
This medicine will work best if you take it at about the same time every day.
Store at room temperature away from heat, light, and moisture. Do not keep in the bathroom.
Do not take antacids or medicines with calcium or iron for 4 hours before and 4 hours after taking this medicine.
It is important that you keep taking each dose of this medicine on time even if you are feeling well.
If you forget to take a dose on time, take it as soon as you remember. If it is almost time for the next dose, do not take the missed dose. Return to your normal schedule. Do not take 2 doses at one time.
Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.
This medicine may affect your blood sugar levels. If you have diabetes, talk to your doctor before changing the dose of your diabetes medicine.
It is very important that you follow your doctor's instructions for all blood tests.
Cautions
Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.
Do not use the medication any more than instructed.
Tell the doctor or pharmacist if you are pregnant, planning to be pregnant, or breastfeeding.
Do not share this medicine with anyone who has not been prescribed this medicine.
Side Effects
The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.
If you have any of the following side effects, you may be getting too much medicine. Please contact your doctor to let them know about these side effects.
Call your doctor or get medical help right away if you notice any of these more serious side effects:
- bone pain
- diarrhea
- feeling of heat or flushing
- rapid heartbeat
- shakiness
- sweating
- difficulty adjusting to changes in temperature
A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.
Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.
IMPORTANT NOTE: This document tells you briefly how to take your medicine, but it does not tell you all there is to know about it. Your doctor or pharmacist may give you other documents about your medicine. Please talk to them if you have any questions. Always follow their advice.
There is a more complete description of this medicine available in English. Scan this code on your smartphone or tablet or use the web address below. You can also ask your pharmacist for a printout. If you have any questions, please ask your pharmacist.
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More information about LEVOTHYROXINE - ORAL
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Conditions of Use: The information in this database is intended to supplement, not substitute for the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment. The display and use of this drug information is subject to express Terms of Use.
