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Health Topics/Diagnostic Imaging/Tests and Procedures/CT Scan

What kind of reactions could I have from a CT scan?

Beth A. Schrope, MD
Beth A. Schrope, MD on behalf of Columbia University Department of Surgery
Surgery
The contrast dye can cause some people to feel warm, red, and flushed. Some people may be allergic to the contrast dye and may get hives. Other, more serious reactions, such as shortness of breath and low blood pressure, can occur but are very rare. If you have ever had a reaction to contrast material used for X-rays in the past, or if you are allergic to shellfish, make sure to tell your doctor.

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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.