What are the side effects of colistimethate injection?

Colistimethate commonly causes dizziness, a mild tingling in your extremities, upset stomach and diarrhea. If you notice these symptoms persisting or getting worse, call your doctor. You also should consult your doctor if you develop a fever, itching, nausea, muscle weakness, difficulty breathing or you urinate less frequently. Seek immediate medical attention if you have:

  • uncontrolled eye movements
  • bloody urine or stools
  • chest tightness or shortness of breath
  • loss of appetite
  • unusual fatigue
  • blue tones to the skin or lips 
  • become shaky while walking

If you have trouble breathing; swelling in the face, lips, tongue or neck; an itchy rash; or hives, you may be allergic to the medication and should get immediate medical assistance.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.