CT Scan of the Head
What is it? Overview Usage Side Effects and Warnings

CT Scan of the Head Side Effects and Warnings

Written by FoundHealth.

Possible Complications

Sometimes a chemical (called contrast) is used to help improve the pictures. Complications with contrast are rare. If you are planning to have a CT scan with contrast, your doctor will review a list of possible complications. These may include:

  • Allergic reaction
  • Kidney failure

There is concern that radiation exposure from CT scans can increase the risk of cancer. Be sure to discuss these risks with your doctor before the test.

Call Your Doctor

If you receive contrast, call your doctor if any of the following occurs after the test:

  • Hives
  • Itching
  • Nausea
  • Swollen, itchy eyes
  • Tightness of throat
  • Difficulty breathing

In case of emergency, call 911.


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