Possible risks CT colonography
CT colonography is a very safe procedure. Your radiographer will tell you who to contact if you have any problems after your test. Your doctor will make sure the benefits of having a CT colonography outweigh the possible risks. Some of the possible risks include: Loss of body fluid (dehydration) Clearing the bowel can cause dehydration in some people. It is very important to drink plenty of fluids before and after your scan. Effects of gastrografin Gastrografin can make people feel or be sick. It may cause a mild rash but this is uncommon. Very rarely you can have an allergic reaction. If you feel ill or have problems breathing during the test, tell the radiographer straight away. Effects of contrast medium The injection of contrast medium might make you hot and flushed for a few minutes. You might get a metallic taste in your mouth. It is common to feel warmth like you are passing urine, but you are not. This feeling goes away quickly. ...