Levothyroxine (Injection Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Get emergency help immediately if any of the following symptoms of overdose occur:

  • Changes in appetite
  • Changes in menstrual periods
  • Chest pain
  • Diarrhea
  • Fast or irregular heartbeat
  • Fever
  • Hand tremors
  • Headache
  • Irritability
  • Leg cramps
  • Nervousness
  • Sensitivity to heat
  • Shortness of breath
  • Sweating
  • Trouble sleeping
  • Vomiting
  • Weight loss

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Precautions
DR602729 Portions of this document last updated: Nov. 1, 2011

Source: Drug Information provided by: Micromedex

Copyright © 2013 Thomson Healthcare Inc. All rights reserved. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.

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