PET/CT Scan Prep

How to Prepare for Your Procedure

You may take your regular medications as prescribed, EXCEPT diabetic medications.

24 hours before your appointment

  • Avoid all caffeine and sugar, including fruits.

  • Avoid strenuous physical activity or exercise.

The night before your appointment

  • Eat a high-protein, low-sugar, low-carbohydrate supper consisting of any meat, eggs and vegetables.

  • DO NOT eat or drink dairy products, potatoes, pastas, cereals, breads, corn, peas, carrots, fruits and sugar.

Four hours before your appointment

  • DO NOT eat or drink anything except water (if you are diabetic, stop food and drink six hours before your scan).

One hour before your appointment

  • Drink two glasses of water.

What to Wear

  • Wear loose, comfortable clothing, without metal if possible.

  • Leave jewelry at home if possible.

  • Wear your hearing aid, glasses and/or dentures.

During Your Appointment

The procedure will take about three hours from start to finish. Let the scheduler know if you are:

  • Sensitive or allergic to latex

  • Diabetic

  • Claustrophic

  • In need of pain medication for exam

  • Pregnant

Also tell your scheduler if you've had a prior PET/CT scan at another location.


Contact us at 319-294-1899.