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Doctor insights on: Skin Allergy Test For Hair Dye

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What are skin allergy tests for hair dyes?

What are skin allergy tests for hair dyes?

Patch Test: To test for allergy to hair dye, a small patch containing the hair dye chemical is placed on the skin and held in place by tape for 48 to 72 hours. After removal, the doctor will look for a local reaction where the hair dye contacted the skin to diagnose allergy to the dye (phenylenediamine). ...Read more

Dr. John Chiu
2,656 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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Itchy scalp&skin from hair dye.No visible reaction.can it get worse/serious?Chlorpheniramine (antihistamine) tablets available here.Safe to use?

Itchy scalp&skin from hair dye.No visible reaction.can it get worse/serious?Chlorpheniramine (antihistamine) tablets available here.Safe to use?

Yes: As I mentioned earlier, as long as you will not be driving or engaging in other complex or dangerous activity, it is okay to take antihistamine medication. ...Read more

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Is an IGE allergy blood test as accurate as a skin test? My skin test from 1 year prior to IGE blood test showed additional allergens.

Is an IGE allergy blood test as accurate as a skin test? My skin test from 1 year prior to IGE blood test showed additional allergens.

Likely complementary: Although prick skin test is considered better in detecting food allergies the results of blood tests are complementary. I often order the blood test first in a case of a food suspected of causing anaphylaxis. If the result is negative or equivocal, then I would proceed with a skin test prior to a food challenge. The results are at times discrepant. ...Read more

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Is hair dye supposed to sting your hair for a while?

Is hair dye supposed to sting your hair for a while?

HAIR DYE STING: SOME HAIR CAN STING ON THE INITIAL APPLICATION. IF IT STILL STINGS, GET A DIFFERENT BRAND WITH DIFFERENT INGREDIENTS. BEST LUCK. ...Read more

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Can skin prick testing for food allergies be 100% reliable?

Can skin prick testing for food allergies be 100% reliable?

Nothing is perfect: No test is 100% reliable - neither skin testing nor blood testing. That's why allergists try to order relevant tests selected based on a comprehensive medical history and physical examination. The results must be interpreted & used as clues to a solution. They're not an answer in themselves. I'm frequently called by doctors who order allergy tests & then want me interpret them over the phone. ...Read more

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I'm allergic to dye for my beard, is there another way to dye my beard?

I'm allergic to dye for my beard, is there another way to dye my beard?

Patch Test: Dye reactions are most likely contact dermatitis. One could get patch testing done to determine the chemical that is causing the reaction and then use products that do not contain that chemical. ...Read more

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Is there an allergy prick test for eczema?

Is there an allergy prick test for eczema?

No: Eczema is diagnosed by examining the patient and taking a history. Allergy prick testing may be helpful in treating eczema, but is not necessary. Allergy testing by skin prick or blood test always needs to be interpreted with careful attention to the patient's history and symptoms. For example some patients may test mildly positive for milk allergy, but can drink milk every day without problem. ...Read more

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Does desensitization vaccination works for allergic asthma?I got positive skin prick tests for 4-5 allergens....

Does desensitization vaccination works for allergic asthma?I got positive skin prick tests for 4-5 allergens....

Yes: It is effective about 80% of the time. However I'd doubt that getting allergy shots for 4-5 allergens would work for you since most people are allergic to dozens of airborne allergens except in the case of occupational exposure. ...Read more

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What's more reliable for determining allergies: skin test or blood test?

What's more reliable for determining allergies: skin test or blood test?

Gold standard: This skin test remains the gold standard but these days the blood test has become just about as good. In either case the allergens ordered should be guided by your history and exposures. ...Read more

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F 40y positive ANA 1:160 speckled only symptoms are extreme hair thinning, oily & sometimes itchy scalp, dry skin help need to find cure for hair loss?

F 40y positive ANA 1:160 speckled only symptoms are extreme hair thinning, oily & sometimes itchy scalp, dry skin help need to find cure for hair loss?

Complicated: Your symptoms and lab findings may be consistent with lupus or sjögren's syndrome need more information and more lab studies to make determination hair loss may be a part of either disease. It is important that you see a rheumatologist asap. ...Read more

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Skin prick allergy test with green duo tip. D.pteronyssinus=Wheal:7,Flare:15(mm);D.Farinae=Wh:6,Flare:15.How mild/moderate/severe my dust allergy is?

Dust mite: Positive prick skin tests means there is a sensitivity to the allergen (i.e. Dust mite). The larger the size, the more likely the allergen will cause sxs. However, size does not correlate with symptom severity. ...Read more

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Pubic darkening and pubic pimples.Im allergic to lemon and use wax for hair removal n fair skin color.

Pubic darkening and pubic pimples.Im allergic to lemon and use wax for hair removal n fair skin color.

Salicylic acid maybe: I find that salicylic acid is better for fighting razor bumps. It is a better anti-inflammatory agents. Dilute hydrogen peroxide may also help to lighten skin in this area. Bleaching agents generally consist of retin-a, triamcinolone, kojic-acid and hydroquinone but these are not recommended for the pubic area. ...Read more

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How to stop scalp weeping from an allergy to hair dye?

How to stop scalp weeping from an allergy to  hair dye?

Steroids: I think you need immediate attention, this is a serious allergy and can cause loss of hair and patchy hair if you do not treat it properly. Go see a doctor immediately. ...Read more

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What is an allergy skin prick or scratch test?

What is an allergy skin prick or scratch test?

Allergy test: An allergist will introduce small amounts of specific antigens or substances that can cause allergy through a small needle into the skin. The allergist then looks for a reaction. Typically multiple allergy tests are performed in the same session. ...Read more

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Dr. John Chiu Dr. Chiu
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Is there an allergy testing for contrast dye. I'm allergic to shellfish. Thanks?

Dr. John Chiu Dr. Chiu
2 doctors agreed:
Is there an allergy testing for contrast dye. I'm allergic to shellfish. Thanks?

Unrelated: There is a common misunderstanding that one can be allergic to iodine yet this is incompatible with life -our thyroid hormone production depends on it. You are allergic to the muscle protein in shellfish and not to the iodine. The contrast dye reaction is from the molecular structure of the dye which releases histamine. You are not at higher risk for a dye reaction because of a shellfish allergy ...Read more

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Had bad experience at salon after hair coloring. Are store hair dyes safer for your scalp and hair? Tyvm

Had bad experience at salon after hair coloring. Are store hair dyes safer for your scalp and hair? Tyvm

Hair dyes: Hair dyes with continued use may deteriorate the texture of your hair. In addition, some people may develop an allergic rash or even anaphylactic reaction. ...Read more

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What is a good skin treatment for dry skin & acne for sensitive skin?

What is a good skin treatment for dry skin & acne for sensitive skin?

Avene products: For sensitive dry skin and acne, try to use the avene line which is made for dry and sensitive skin. Over the counter cetaphil is fine but benzoyl peroxide should be used sparining. Also using omega 3 fish oil, vitamin b and d can help with skin healing. ...Read more