 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST] aque 140 Intravenous: This medication is used before X-ray imaging tests (such as CT scans). Iohexol contains iodine and belongs to a class of drugs known as contrast media or dyes. It works by adding contrast to body parts and fluids in these imaging tests. Iohexol improves the images obtained during a CT scan, so your doctor can more easily diagnose your condition. How to use Omnipaque Bottle, Infusion If your doctor directs you to take this medication by mouth, read your doctor's specific instructions on when and how to take iohexol before your imaging test. To make it easier to swallow, this medication can be mixed with water, carbonated beverages, milk, or juice. Your doctor or pharmacist should tell you the amount of iohexol to use and how much liquid to dilute it in. Take this medication by mouth as directed by your doctor. It is usually taken just before the imaging test. The dosage is based on the specific imaging test, your age, and your weight. Drink plenty of fluids before and after the imaging test, unless directed otherwise by your doctor. This medication may also be given by a health care professional by injection into a vein, joint, the spine, or placed in the bladder or </s>