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A 34-year-old member asked:

I'm concerned because i have to have a ct scan how safe is the contrast dye?

1 doctor answer5 doctors weighed in
Dr. Gerald Klein
Radiology 50 years experience
Very safe: Assuming you are not allergic to the dye and do not have kidney problems, the dye is safe. People with dye allergies often are allergic to shellfish, or have a history of asthma. They will question you before they give you the injection.

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Similar questions

A 34-year-old member asked:

How long does it take for contrast dye from a CT scan to leave your body?

1 doctor answer3 doctors weighed in
Dr. Alfred Parkhill Hand
Radiology 21 years experience
24 hours: In a patient with normal renal function, contrast should be out of your system within 24 hours.
A 44-year-old member asked:

What to do if I have to have a CT scan how safe is the contrast dye?

1 doctor answer5 doctors weighed in
Dr. Michael Gabor
Diagnostic Radiology 33 years experience
CT IV contrast : IV contrast is associated with a very low incidence of acute adverse events, and the bulk of these are not life threatening. Studies report an overall acute adverse reaction rate (allergic-like + physiologic) of 0.2%-0.7%. Serious acute reactions to IV dye are rare, with an historical rate of approximately 0.04%. FDA review demonstrated a rate of 2.1 fatalities per 1 million injections.
A 29-year-old member asked:

Can you drink after having radioactive contrast dye and a CT scan?

2 doctor answers6 doctors weighed in
Dr. Addagada Rao
General Surgery 56 years experience
Yes: Radio active isotopes used in medical diagnostic tests will emit very small minute amount of radiation, and rapidly disintegrates, yes you can have a drink , hope not a pint. Cheek with your doctor.
A 30-year-old member asked:

Can doctors tell me what does the CT scan contrast dye taste like?

1 doctor answer1 doctor weighed in
Dr. Bruce J. Stringer
Radiology 47 years experience
Various Flavors: The oral ct contrast is a dilute barium suspension which can have different flavors depending on the manufacturer. There could be banana, orange, etc.
A 41-year-old member asked:

Isn't it unusual to to get nausea after a CT scan with no contrast dye?

1 doctor answer1 doctor weighed in
Dr. Bruce J. Stringer
Radiology 47 years experience
Can happen: If you were asked to swallow a large amount of the dilute barium contrast then that might make you a bit nauseous. Otherwise, no.

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Last updated Mar 12, 2020
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