Health Stack Exchange
Health Stack Exchange

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.

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.

94 questions
16
votes
1 answer

How do antihistamines work?

We recently got some new kittens and my step son is allergic to them. He mostly suffers from a runny nose, but also had itchy eye last night after he Left a robe in the kitten room all day Put it on after getting home from school Kept…
Paul
  • 281
  • 1
  • 5
8
votes
2 answers

Which conditions are associated with (multiple) food allergies?

Most people with food allergies are allergic to one or few foods, but allergies to more than three foods are relatively rare (PubMed, 2010). In some people who are allergic to several foods, an underlying condition is discovered, for…
Jan
  • 15,851
  • 24
  • 70
6
votes
1 answer

How likely is it for someone to develop a serious allergy in adulthood ?

I always am slightly afraid of food which I know contains allergens, as although I have never had a serious allergic reaction to anything, one of my friends suffers from them. Is there any real (let's say greater than one in a million) probability…
Polycarples
  • 61
  • 1
6
votes
2 answers

Does early exposure protect against developing allergies later on in life?

I recently read a few papers (here and here) that concluded that children exposed to peanuts before 1 year of age were less likely to develop peanut allergies later in life than children who were not exposed to peanuts. Is this backed up by further…
Nate
  • 1,271
  • 7
  • 18
5
votes
1 answer

Can pheromones or sun trigger/cause allergy?

One of my friends is having Eosinophilia (the eosinophil count in the peripheral blood should be in the range 0-5×10^8/L, in her case it's 12.) She says that she has many allergies like from dust, etc. One day she was out with me in the sun, we…
ABcDexter
  • 365
  • 1
  • 14
3
votes
1 answer

do diphenhydramine and loratadine have same preservatives?

Do they use the same preservatives in diphenhydramine as they do loratadine? My doctor tells me I'm allergic to diphenhydramine but I'm also allergic to my dog and would like to know if loratadine is a safe alternative? Not sure if it's the active…
Ramanda
  • 31
  • 1
3
votes
1 answer

What is an allergy?

Is an allergy a negative response to a molecule that the majority of the population doesn't have? I've heard that people can be allergic to lactose, which the majority of people aren't, while people aren't considered "allergic" to poisons like…
user13893
3
votes
0 answers

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 with the fur. I’ve noticed the past few days that…
Cthulhu
  • 131
  • 2
3
votes
1 answer

Can consumer-oriented heart rate tracking devices/smartwatches be used for implementing Dr. Coca's food sensitivity test?

The pulse test invented by Dr. Coca involves measuring heart rate every 30 minutes after a meal to detect its rises after an allergenic meal - http://www.soilandhealth.org/02/0201hyglibcat/020108.coca.pdf. Would a device like fitbit hr or basis…
Joe
  • 359
  • 1
  • 2
  • 5
2
votes
1 answer

How does the amount of allergen in an allergy shot compare to a 6X homeopathic dilution

I have a bottle of liquid that is meant to build my immunity to "cedar fever," a common allergy in central Texas. It is a homeopathic medicine which contains the cedar pollen at a 6X dilution, meaning 1 part pollen per 1 million parts water (or…
D. K.
  • 123
  • 4
2
votes
1 answer

Why would someone have an anaphylactic reaction to intravenous saline?

https://www.sciencedirect.com/science/article/pii/S073567570800332X Abstract Anaphylaxis and acute allergic reactions may sometimes be fatal. They occur within minutes in a sensitized individual. So quick diagnosis and management are necessary…
Willy A
  • 1
  • 1
2
votes
1 answer

How to discover allergies to certain foods?

Sometimes it is hard to find food allergies. Wheezing or any side affects but the root cause may not be known. Is there a good way to find food allergy?
Kathir
  • 123
  • 2
2
votes
1 answer

Food Packaging Labels' Ingredient Statement Required To List Allergens?

I discovered recently I am allergic to soy and have been looking at the labels on many foods I eat to discover it's in almost all the foods I eat. Some don't seem to make any sense - like raw walnuts containing soy, according to the…
StopSigningMeOut
  • 21
  • 1
0
votes
0 answers

Allergy test for specific allergens

Let's say I order an allergy blood test. The test will, for example, test for White Oak (Quercus alba). Would a positive result for that specific allergen indicate, broadly speaking, a hypersensitivity to a similar tree in the same genus (for…
Alphecca
  • 109
  • 2
-3
votes
1 answer

Why is the H2O molecule an antigen despite its tiny size and simplicity?

I just saw a news article about a woman with Aquagenic Urticaria which basically means she produces antibodies against H2O molecules which causes very bad symptoms if she touches or drinks water. We're told you can't be allergic to oxygen, glucose,…
Willy A
  • 1
  • 1