A doctor or other trained health professional will give you or your child this medicine. This medicine is given through a needle placed in one of your veins just before you have a PET scan.
Your doctor will have you or your child drink water or other fluids during the 4 hours before you have the PET scan. Your doctor will also give you instructions about eating food before the test.
You or your child will need to urinate right away and as often as possible for at least one hour after the PET scan.