1. Does a PET scan hurt?
2. How long does a PET scan take?
3. Is a PET scan harmful?
4. What should be avoided before and after a PET scan?
- Follow a limited carbohydrate-based diet 24 hours before the scan
- Other foods you should avoid are caffeine, candies, dairy products, fruits and their juices, sweetened beverages
- Do not eat or consume anything 6 hours prior to the scan
- If you are diabetic you cannot take your medications 4 hours prior to the scan
- Do not exercise for 24 hours before the scan
After the scan
- If you are breastfeeding you will need to wait for 24 hours for the effects of the radioactive chemicals to wear off
- If you notice symptoms such as headache, nausea, vomit, fever, let your healthcare provider know right away.

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