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Levothyroxine Oral Tablet (LEVOTHYROXINE - ORAL)

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.

  • hair loss

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.

  • weight loss

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

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.