Take this radiopaque agent with water after dinner the evening or evenings before the examination, following the directions of your doctor. Keep drinking an adequate amount of water, unless otherwise directed by your doctor.
Do not eat or drink anything but water after taking the medicine. Also, avoid smoking or chewing gum.
Your doctor may order a special diet or use of a laxative or enema in preparation for your test, depending on the type of test. If you have not received such instructions or if you do not understand them, check with your doctor in advance.