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What are the possible side effects of Xalkori?

Xalkori (crizotinib), which treats one kind of lung cancer, has many possible side effects. It can cause QT interval prolongation, a risky condition where the heart beats fast or abnormally. Other problems involve the liver and respiratory system, such as a swelling in the lungs called pneumonitis. Contact your doctor immediately if you experience any of the following symptoms:
  • an abnormal heartbeat
  • breathing difficulties
  • extreme tiredness, yellowing skin or eyes, or pain on the right side of your stomach
  • dizziness, lightheadedness, or fainting
More common but less serious side effects include:
  • changes in vision, including flashes of light, floaters, blurriness or extra sensitivity
  • diarrhea, vomiting, constipation or nausea
  • swelling, pain or discomfort
Talk to your doctor about any symptoms that are bothersome or do not go away.

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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.