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Doctor insights on: Allergic Reaction To Contrast Dye

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What can I do if i had an allergic reaction to hair dye?

What can I do if i had an allergic reaction to hair dye?

Put health before: perception of beauty. Listen to your body . Avoid any future use of that product. ...Read more

Dr. John Chiu
2,491 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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Allergic reaction to the contrast dye for cat scan?

Allergic reaction to the contrast dye for cat scan?

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 more

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What happens if you get an allergic reaction to the contrast dye for CT scan?

What happens if you get an allergic reaction to the contrast dye for CT scan?

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 more

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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?

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

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What can I do if i had an allergic reaction to hair dye?

Put health before: perception of beauty. Listen to your body . Avoid any future use of that product. ...Read more

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I just had an allergic reaction to hair dye! please help?

I just had an allergic reaction to hair dye! please help?

Derm: Very potent topical steroids can help calm the rash, but as the hair dye washes away this reaction will subside. You can get patch tested to PPD to confirm that hair dye is the problem. ...Read more

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How much time does a allergic reaction to hair dye take to occur?

How much time does a allergic reaction to hair dye take to occur?

24-96 hours: Contact reactions to hair dye are similar to that of poison ivy although the distribution is usually limited to the scalp, neck, shoulders and sometimes upper chest. It falls under the category of a type IV hypersensitivity reaction. This is different than a reaction to pollen or pets which cause immediate symptoms ( minutes to a few hours) called a type I reaction. It appears in 24-96 hours. ...Read more

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Can blue dye, such as fd&c blue no. 2, cause an allergic reaction such as swelling?

Can blue dye, such as fd&c blue no. 2, cause an allergic reaction such as swelling?

Possibly: I suspect the answer is yes. 11 patients with chronic, unexplained itchy skin rashes that responded to medication changes centered around avoidance of coloring agents, fd&c blue no. 1 (bright blue) and blue no. 2 (indigo carmine). Reactions to agents that color medications and foods may be more common than previously appreciated. This is from journal of drugs dermatol. 2013;12(1):99-102. ...Read more

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I had an allergic reaction to my hair dye so they said next time theyd do a weave with foils. Is that ok?

I had an allergic reaction to my hair dye so they said next time theyd do a weave with foils. Is that ok?

Hair dye allergy: You should see an md to see whether you had an irritant or allergic reaction and if allergic you should have patch testing to determine which chemical is causing the reaction. The most common hair dye allergy is to a chemical called PPD and there are hair dyes without ppd. Consulting an allergy or dermatology specialist is your best bet. ...Read more

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Dr. John Chiu
1,005 doctors shared insights

Allergic Reaction (Definition)

Allergic reactions are sensitivities to substances, called allergens, that come into contact with the skin, nose, eyes, respiratory tract, and gastrointestinal tract. They can be inhaled into the ...Read more