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edward_gardner2026-04-18

I'm scheduled to have a CT scan with Omnipaque 350mg/ml Inj, 200ml contrast agent next week and I'm feeling a bit nervous. I've heard it can have some serious side effects, although rare. My doctor assured me it's safe but I'd love to hear from anyone who has gone through this. What was your experience? Any tips on what to expect during and after the injection? Also, how did you handle any side effects you may have had?

1 min read
last active 4/18/2026
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Comments (7)

M
martha_nichols4/14/2026

Why do doctors need to use these dyes in the first place? Can't they just use a different imaging technique?

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frank_vargas4/14/2026

This is a good time to mention that if you have kidney issues, you should let your doctor know. Some contrast dyes can be hard on the kidneys, and they might need to adjust the type or amount of dye used.

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robert_stephens4/14/2026

I'm not a doctor, but I think the main issue is that the dye can cause allergic reactions or kidney damage. If you're having trouble with kidneys, Omnipaque is not the best choice. You can always ask about alternative dyes and see what fits your situation the best.

K
kevin_myers4/14/2026

I'm not sure if this is relevant, but I had an MRI with contrast and had a similar reaction as you described, and it was the iodine in the dye that caused it. Maybe ask your doctor about alternatives or pre-treatment meds.

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sean_chen4/14/2026

I had this done last year. The injection itself was quick and mostly painless. I did feel a bit warm and had some metallic taste in my mouth for a few minutes, but that was it. No big deal.

K
kimberly_guzman4/14/2026

I worked in radiology and saw a lot of patients get Omnipaque. The vast majority had no issues, but we did have a couple of cases where people had allergic reactions. It's good that you're being cautious, and you should definitely let the medical staff know if you have any adverse reactions or if you're allergic to any other substances. It's always best to be safe.

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peter_tucker4/14/2026

The contrast really helps them see certain parts of your body more clearly. Without it, some conditions might be missed or misdiagnosed. If you have concerns, talk to your doctor. They can explain the benefits and risks better than anyone.