What are the risks of intravenous (IV) contrast material?

There are risks with any kind of procedure or medication, including intravenous (IV) contrast. But serious complications are rare. Your healthcare providers will take precautions to prevent them. Risks include:
  • allergic reactions, including itching or hives, difficulty breathing, throat swelling, or swelling of parts of the body (extremely rare)
  • kidney problems, especially in patients who have kidney disease or diabetes (extremely rare)
  • temporary sensations:
  • a surge of warmth
  • feeling cold at the site of the injection
  • feeling light-headed
  • metallic taste
  • nausea

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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.