Patient Information:
Ref - USP PDI Vol II 17th Edition (1997)
RADIOPAQUE AGENTS- DIAGNOSTIC
1.Allergies-
Tell your doctor if you have ever had any unusual or allergic reaction to
Iodine, to products containing foods such as sea food, cabbage, kale,
( turnip-like vegetable.) turnips, or iodized salt, or to any radiopaque
agents. Also tell your healthcare care professional if you are allergic
to any other substances such as foods. preservatives or dyes.
2.Pregnancy-
Studies have not been done in humans with most of the radiopaque
agents. However, iohexol, and metrizamide have not shown to cause
birth defects or other problems in animal studies. Also,X-rays of the
abdomen are usually not recommended during pregnancy.
3. Breast-feeding-
Although most medicines pass into breast milk , they have been shown
to cause problems in nursing babies. However, it may be necessary
to stop breast-feeding, temporarily, while receiving radiopaque agent.
Be sure you have discussed this with your doctor.
4.Children-
Children especially those with other medical problems may be especially
sensitive to radiopaque agents. This may increase the chance of effects.
5.Older adults-
Elderly people are especially sensitive to the effects of radiopque agents.
This may increase the chance of side effects.
6. Other medical problems-
Tell your doctor if you are using any of the following medical
problems
Asthma,hay fever, or other allergies - if you have a history of these
conditions, the risk of having a reaction such as allergic reaction,
to the radiopaque agent is greater.
Diabetes mellitus- there is a greater risk of kidney problems
High blood pressure or severe or
Pheochromocytoma - injection of radiopaque agent may cause a
dangerous rise in blood pressure
Kidney disease - the radiopaque agent may build up in the body
and cause side effects.
Liver disease- the radiopaque agent may build up in the body and
cause side effects.
Multiple myeloma (bone cancer)- serious kidney problems may develop
in patients with this condition
Overactive thyroid- a sudden increase in symptoms such as fast heart
beat, or palpitations, unusual tiredness, or weakness, or nervousness,
excessive sweating, or muscle weakness may occur.
Sickle cell disease- the radiopaque agent may promote formation of
abnormal blood cells.
The presence of other medical problems may affect the use of ------------.
Make sure you tell your doctor if you have any other medical problems
especially-