Doctor insights on:
What If Im Allergic To Ct Dye
Computed tomography is also known as CT scan. Ct uses xrays taken an 360 degrees combined with a computer to see"inside" the body. The table moves as the xray tube and detectors spin around the patient 10 times a second or more! the image shows excellent soft tissue detail, enhanced with injection of intravenous contrast or oral contrast. This way the body is shown in slices, in any plane, usually axially, but ...Read more
Maybe: Although ct scans are an excellent radiographic study, they can easily miss small bladder masses. If one should have a very large bladder mass, it will likely be seen. However, a cystoscopy is still required because the mass seen on ct scan does not neccessarily mean cancer. A tissue diagnosis with a biopsy is still required to make the definitive diagnosis. ...Read moreSee 1 more doctor answer
See below: With iodinated based contrast you may get allergic reaction ranging from mild skin rash to severe rash, difficult breathing, severe drop in blood pressure and even cardiac arrest. Patients at risk are those with previous reaction, history of asthma or allergy. Please consult with your doctor. ...Read moreSee 1 more doctor answer
Allergy: If you have not previously reacted to dye the chances of your doing so are not great, and since you are in a facility trained to deal with such reactions dying from dye is very unlikely. You might want to discuss this with the radiologist in charge. If still concerned see a psychiatrist or clinical psychologist and address your fears. Good luck. ...Read more
If I've had contrast CTPA scan before with no allergic reaction- what's the chances of me having a reaction with another CT scan with dye?
Low: Considering your body has been exposed to the contrast with no reaction, it is unlikely the same or similar contrast will bring any reaction. Nonetheless speak with your doctor about your concerns so they can prepare and answer your questions thoroughly. Good luck. ...Read more
I want a cardiac CT scan but am scared of allergic reaction to the dye, I have mild asthma. Can i request Benadryl or how can I get round this?
See answer: Talk to your dr. / radiologist about the appropriate pre- procedure allergic preparation. It usually involves pre-procedure oral steroids (if you are an asthmatic already on steroids this may be modified), possibly an oral antihistamine, and may be performed in a hospital center depending on the severity of your prior iodine sensitivity. ...Read moreSee 1 more doctor answer
See below: Allergic reaction to ct scan contrast may range from mild skin rash and itching to severe skin rash and cardiac arrest. Patients at risk are those with previous adverse reactions to iodine-based contrast materials, history of asthma, history of allergy. Contrast reaction may be reduced or prevented if appropriately treated before the scan, but this is not 100%. ...Read moreSee 1 more doctor answer
Low: Severe reactions to ct scan dyes are low unless you have a history of a reaction, are on certain medications that work through your kidneys or you are very dehydrated. It is always good to questions why you need the ct scan in the first place as it also exposes you to more radiation. Will the results of the scan change how you are treated?.. And that can outweigh the small risks of the procedure. ...Read more
Maybe, if needed: Some people with lumbar radiculopathy find it painful to lie flat. While a ct is relatively brief, it does require the person lay motionless for a few minutes. A small dose of valium does wonders for that, and there is no harm in making the procedure less unpleasant. Some people get anxious in tight spaces too. Your pain doc or family doc could prescribe a small dose of Lorazepam or diazepam. ...Read moreSee 1 more doctor answer
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