Along with their needing effects, radiopaque agents can sometimes cause serious effects such as severe allergys or heart problems. These effects may occur almost immediately or a few minutes after the radiopaque agent is given. Although these serious side effects appear only rarely, your health care professional will be prepared to give you immediate medical attention if needed. If you have any questions about this, check with your family doctor.
Check with your family doctor as soon as possible if the following side effects was happen
With injection into the spinal canal
Rare
Hallucinations - seeing hearing, or feeling things that are not there; paralysis of one side of body or of legs and arms
More common side effects may occur that usually do not need medical attention. These side effects may go away as your body adjusts to this agent. However, check with your family doctor if any of the following side effects continue or are bothersome:
With oral or rectal use
Less common
Diarrhea or laxative effect
With injection into a vein or an artery
More common
Unusual warmth and flushing of skin
Less common
Chills; dizziness or lightheadedness; headache; nausea or vomiting; pain or burning at the place of injection; sweating; unusual or metallic taste; unusual thirst
With injection into the spinal canal
More common
Backache; dizziness; headache - mild to moderate; nausea and vomiting - mild to moderate; stiffness of neck
Less common or rare
Difficult urination; drowsiness; headache - severe; increased sensitivity of eyes to light; increased sweating; loss of appetite; ringing or buzzing in ears; unusual tiredness or weakness
Not all of the side effects listed above have been reported for each of these agents, but they have been reported for at least one of them. There are some similarities among these agents, so many of the above side effects may occur with any of them.
More common side effects not listed above may also occur in some diseaseds. If you notice any other problems, check with your family doctor.