General instructions for CT abdomen and pelvis (with and without contrast)
X-ray test (CT or scanner) to obtain detailed images of the abdominal and pelvic organs.
- Fasting: Without contrast, fasting is not usually required. With contrast, fast from solid food for 4-6 hours beforehand. You may drink water up to 2 hours before.
- Medication: Continue your usual medication. If you take metformin for diabetes, ask whether you should stop it on the day of the contrast.
- Clothing and Accessories: Wear comfortable clothing. Remove jewellery, watches, piercings, belts or garments with metal (including underwired bras).
- Specific Requirements: Tell the staff if you have kidney problems, asthma or allergies (especially to iodinated contrast media). Sometimes you will need to drink an oral contrast 1-2 hours beforehand. You must tell the staff if you are pregnant.
- Discomfort or pain after the test: The test is painless. If intravenous contrast is used, it is normal to feel a sudden warmth in the body, a metallic taste or an urge to urinate, which soon pass.
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