Do certain conditions increase the risk of side effects from iohexol?

Yes, people with certain conditions are at increased risk for side effects when they are given iohexol for an imaging scan. If you have any of the following conditions, you should discuss the potential risks associated with iohexol use with your doctor before undergoing the procedure: dehydration or a condition known to cause dehydration, such as kidney disease, vascular disease or diabetes; asthma; allergies, particularly allergies to iodine, penicillin, other contrast agents or skin allergens; epilepsy; multiple sclerosis; sickle cell disease; pheochromocytoma, which is an adrenal gland tumor; chronic alcoholism; subarachnoid bleeding, which is bleeding around the brain; a recent cerebral embolism; migraine; senility; a severe infection; homocystinuria, which is a metabolism disorder involving amino acids; arteriosclerosis, or blocked arteries; thrombosis, or blood clots in blood vessels; Buerger's disease, which involves obstructed blood vessels in the feet and hands; severe ischemia, or reduced blood flow; cardiac decompensation, or congestive heart failure; angina, which is chest pain due to heart problems; and severe hypertension, or high blood pressure, including pulmonary hypertension in the arteries of the lungs. Though these conditions may not prevent you from using iohexol, your doctor might need to adjust the dosage, add different medications to prevent side effects or monitor your health during and after the administration of iohexol.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.