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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Can Radiation From CT Scan Cause Red Rash On Face, Neck And Shoulder?

I had a CT scan, of my head, with and without contrast yesterday. This morning I woke up with a fine, red rash on my face, neck and shoulders. It is a little itchy but really feels more like a sunburn. No other symptoms. Could this be dye allergy (I've had contrast in the past), or excess radiation?

Should I go to an ER since GP office is closed for the holidays?
posted on Thu, 13 Mar 2014
Twitter Tue, 2 Sep 2014 Answered on
Twitter Wed, 3 Sep 2014 Last reviewed on
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General & Family Physician,  's  Response
Welcome to Health care magic.

1.Its delayed allergic reaction after contrast injection. ( as it has not started immediately after the injection)
2.Radiation - after a head CT alone will not cause such symptoms.
3.Mean while you can try anti allergic medication from pharmacy.
4.If anti allergic will not helps and symptoms persists - you might need to visit ER.
5.Do not scratch the area as it may cause infections / inflammatory changes.
6.The above symptoms might be entirely new without involving any thing to do with CT. If symptoms persists - it needs to be evaluated.

Hope it helps you. Wish you a good health.
Anything to ask ? do not hesitate. Thank you.
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Can Radiation From CT Scan Cause Red Rash On Face, Neck And Shoulder?

Welcome to Health care magic. 1.Its delayed allergic reaction after contrast injection. ( as it has not started immediately after the injection) 2.Radiation - after a head CT alone will not cause such symptoms. 3.Mean while you can try anti allergic medication from pharmacy. 4.If anti allergic will not helps and symptoms persists - you might need to visit ER. 5.Do not scratch the area as it may cause infections / inflammatory changes. 6.The above symptoms might be entirely new without involving any thing to do with CT. If symptoms persists - it needs to be evaluated. Hope it helps you. Wish you a good health. Anything to ask ? do not hesitate. Thank you.