Questions tagged [allergy]

Questions pertaining to a damaging immune response by the body to a substance, esp. pollen, fur, a particular food, or dust, to which it has become hypersensitive.

28 questions with no upvoted or accepted answers
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Why are peanut allergies so much more severe than other food allergies?

Based on my understanding of how adaptive immune responses arise, I would expect peanut allergies to be roughly normally distributed with regard to severity, like other food allergies. However, peanut ...
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Are “latex fruit intolerance/syndrome” and “histamine intolerance” related or otherwise two names for the same problem?

I have an intolerance to bananas and avocados without a doubt. I get bowel cramps, bloating, and if I eat way too much of those foods, some mild topical itching on my skin. My research for latex ...
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Do salt rooms really help fight pollen allergies?

I've heard that sitting in salt rooms, also known as halotherapy, can help fight pollen allergies. Is there any scientific proof that this claim is true? If so, why?
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Can a person eliminate lactose intolerance through extended exposure?

It sounds dangerous or at the least uncomfortable, but I have a friend who thinks drinking milk daily will help cure him of lactose intolerance. Are there any studies that indicate prolonged exposure ...
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Does increasing “allergy” histamine affect “wake” histamine? Do both respond to the same triggers?

I understand that histamine is used by the body as part of the immune response, widening blood vessels, etc., to aid the white blood cells in their attack. Often this ends up helping them attack ...
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Factors affecting the severity of an allergic reaction

I share a house with two very furry guinea pigs and inconveniently, am also very allergic to them. Every morning I take an anti-allergy tablet as I’m well aware that I’m likely to come into contact ...
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41 views

Will food allergy rashes eventually stop appearing?

I've recently noticed that after eating certain food, I develop a minor allergic reaction in form of a small red rash or two, anywhere on my body. The allergic reaction is in my opinion very minor, ...
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Are allergies due to memory T cells for benign antigens?

If I understand correctly, the immune system reacts to infections by priming virgin helper T cells for the particular antigens exposed on the surface of the invader, leaving some memory T cells ...
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422 views

Is there a shampoo that does not contain SLS or cocamidopropyl betaine?

If there is someone who is allergic to cocamidopropyl betaine and concerned about skin irritation from SLS (Sodium Lauryl Sulfate), is there a resource that shows shampoos without these ingredients?
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how does the immune system identify allergens? application: varenicline and lobeline

I'm wondering if we know how the immune system identifies allergens. My biochemistry knowledge is basic so I apologize if I use concepts incorrectly! Specifically, I want to know about the likelihood ...
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25 views

Is immunotherapy effective against allergies?

I have been suffering from allergies for years and I have recently seen an allergist. I was told that I would be a good candidate for immunotherapy. However, it is not an inexpensive process and a ...
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54 views

Air Cooler and Health Issues

I am new to air cooling appliances at home. Now, I am planing to buy a air cooler ( not conditioner), but I heard that it will create health issues such as dust allergy, cold etc. Because It ...
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Can allergies “generalize” to other substances present during an allergic reaction?

I've heard some claims that allergic reactions to one substance can "generalize" to other substances present at the same time. For example: A person is allergic to lobster, but not to clams. The ...
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Is it ok to run (slowly) with a swollen foot (just an allergic reaction to a sting)?

I have read that those allergic reactions are mainly excess of water in tissues. Would it help to do some exercise, and since it's quite swollen (I got sting 3 hours ago by something, the pain is ...
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42 views

Is there a way to measure allergy to tablet/pill ingredients?

It looks like I have some kind of allergy to tablets/pills. It doesn't matter which type I take (I used to take mainly vitamins). If I take some, the result is vary from bearable sickness (for 2 days)...
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How credible is negative result of allergic skin tests?

Allergic tests performed a year ago confirmed I am not allergic to a cat. However, there a few signals that make me doubt in credibility of the test results: I felt much better (less sneezing, less ...
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Truth or fiction: Testing vitamins to take by holding them and assessing strength

I'm a Ph.D. candidate in molecular biology and cannot convince my indoctrinated mother and grandmother that you cannot determine whether or not you need to take a vitamin by simply holding it and ...
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39 views

What causes asymptomatic itching with rarely distributed rash?

Preface: I am not a student of medicine or a medical professional by any means. All uses of anatomic and biologic terms come from a general education plus a little hobby-knowledge. Misuses of such ...
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50 views

Cleaning to rid house of cat allergen after cat is gone

We discovered through a blood test that our 3yo is severely allergic to cats. We have two cats who are 7 and 8 respectively and we're adopted as kittens. So their hair and dander is all over ...
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Allergic Reaction? Adderall + Welbutrin / Bupropion

Current Medications: Adderall 20mg IR, Welbutrin (Bupropion) 100mg IR twice /day. Symptoms: Over time I've developed an odd set of symptoms: --My face always tingles / i feel compelled to "pull" my ...
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Can HEPA air purifiers release allergens when particles inside the filter decompose / break apart?

The smallest of pollen grains (~0.6 microns) and other allergens should be trapped by a HEPA filter, however what happens when these decay / break apart? Is the allergen the whole pollen grain or are ...
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What is an appropriate Neti Pot solution, and how does one adjust it for best results?

Many people use neti pots for sinus irrigation. Using them can reportedly help with infections, allergies, headaches, congestion, and other sinus-related issues. Small packets of chemical mixtures ...
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Is it true that carbonic acid should be avoided when one is histamin intolerant?

I've read a few contradictionos things about carbonic acid. Some statements say its a histamin liberator (thus produces histamin), while others say the exact opposite. Now I would like to know if ...
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Is multi-test II device the real deal for determining a person's allergies?

I have been experiencing chronic dizziness - most of the time, lightheadedness and seldomly with vertigo attacks since July 2015. I have already had my ear, eye, brain (mri), heart (2d echo, holter ...
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Are allergic reactions to detergents and fabric softener localized or generalized?

When people have allergic reactions to washing machine detergents or dryer fabric softener sheets, are the reactions typically "all over" the contact area, or can they be localized to very specific ...
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Chanel hypoallergenic perfumes

The perfumes of Chanel fashion house are hypoallergenic? How are the perfumes of Chanel tested for hypoallergenic?
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Food allergy and weight loss

I have red a lot of articles about excluding products that causes allergy can help people lose weight. But is it possible that having allergy on some products and eating them often could result in not ...
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Did any Otolaryngology authority recommended ecualyptus oil for treatment of at least one type of rhinitis?

In the past I have used ecualyptus oil to treat nasal congestion ("blocked nose") from Rhinitis medicamentosa or Rhinitis vasomotor (it wasn't clear if either or both occurred). I used about two drops ...