Contrast material used in CT is iodine-based. Alert your medical provider as well as Teton Radiology if you have any allergies especially to iodine or seafood.
Wear comfortable clothing such as a plain sweatshirt and pants without logos, snaps, or zippers. You may be asked to change into a hospital gown or scrubs. All body piercings must be removed prior to the exam.
If you are diabetic and using Glucophage (Metformin) or Avandamet, you need to be off the medication for 48 hours after the exam and repeat BUN/Creatinine lab work with your medical provider’s office before resuming medication.
If you have renal function problems and are scheduled for an exam requiring contrast, you need to have satisfactory BUN/Creatinine lab work within 90 days of the exam.
See “Diabetes” for instructions regarding Glucophage (Metformin) and Avandamet. Continue taking other medications as prescribed.
If you are given an intravenous injection, there is a very small percentage of iodinated contrasted material that is excreted into the breast milk and absorbed by the infant. Available data suggest it is safe to continue breast-feeding. However if you are concerned, you may abstain from breast feeding for 12 to 24 hours (express and discard breast milk).
If you are over 60 years of age and scheduled for an exam requiring contrast you need to have satisfactory BUN/Creatinine lab work within 90 days of the exam.
Jewelry, eyeglasses, hairpins, and other metal objects need to be removed prior to the exam.