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Doctor insights on: How Long Does Allergen Stay In Your System

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After eating a problem food allergen, how long does it take to show up in body symps? And how long does it take to exit system? Thanks Dr!

After eating a problem food allergen, how long does it take to show up in body symps? And how long does it take to exit system? Thanks Dr!

2 hours: Most allergic responses occur within 2 hours although reaction to red meat may not come on until 3-6 hours later. Most allergic responses from food should subside in less than a day. As for how long traces of the food may remain in your body, it would depend on the kind of food. ...Read more

Allergen (Definition)

A substance that can cause an allergic reaction. Common allergens include ragweed pollen, ...Read more


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Why does our immune system sometime overact to harmless allergens? Instead of using suppressants, can we tell our body to ignore specific allergens?

Why does our immune system sometime overact to harmless allergens? Instead of using suppressants, can we tell our body to ignore specific allergens?

Ah, super question: Within this question lies the mysteries of the immune system, allergy, and immunology. (karthik, are you an allergist-:). Why does body make antibodies to its own tissue? What are evolutionary 'advantages' for survival 'allowing' this to happen? Was it always this way? Is it largely our fault-shield our kids too much, everything becomes 'foreign'? How is brain involved? Need a textbook 4 here? ...Read more

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What benefit is it for the immune system to release histamine in the presence of an allergen?

What benefit is it for the immune system to release histamine in the presence of an allergen?

None: It is a response that is intended for parasites and that is why it is an abnormal response to other substances that cause allergy symptoms. ...Read more

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How long does it take for hives to appear after an allergen contact?

How long does it take for hives to appear after an allergen contact?

Within minutes : With contact hives, such as after a dog lick, they appear with minutes. After eating food to which you are allergic your lips and mouth become itchy almost immediately and the hives will usually appear within minutes and over 90% of the time within 30 minutes. ...Read more

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How long does dog dander around the home remain an active allergen once a dog is removed from the home?

How long does dog dander around the home remain an active allergen once a dog is removed from the home?

Possibly years: Persons who are allergic to animal dander often report trouble with an apartment or a previously owned home that was contaminated with animal allergens several years prior. Through cleaning may need to include carpet removal in some situations. ...Read more

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Can you use Lubricant eye drop like Visine tears, dry eye relief as long as you want? Or they are same as decongestant drops? Does lubricant eye drops help clearing allergens?

Can you use Lubricant eye drop like Visine tears, dry eye relief as long as you want? Or they are same as decongestant drops? Does lubricant eye drops help clearing allergens?

Artificial tear yes: You can use artificial tear without an active medication for as long and as frequent as you want if it contains no preservative (single-use). If it does contain a preservative (multi-use) then using the drop more than 4 times daily may induce corneal edema. Artificial tear may reduce eye allergy symptoms by rinsing off the allergens and mediator and is not a vascular decongestant. ...Read more

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I am breastfeeding a 7 months old baby with lots of food allergies e.g. egg, milk, wheat and corn. How long do these allergens stay in my breast milk?

I am breastfeeding a 7 months old baby with lots of food allergies e.g. egg, milk, wheat and corn. How long do these allergens stay in my breast milk?

Breast milk: Many pediatricians and pediatiric clinics assign the diagnosis of "foor allergies" as a cause of "colic" or poor feeding by an infant. It is possible that no "true allergies" have occurred, and if your infant is thriving (putting on predicted weight) it is unlikely that your breast milk is creating a problem. Ask a pediatric dermatologist for advice if your infant is not growing appropriately. ...Read more

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What is an allergen?

What is an allergen?

Many things: Anything that causes an allergic reaction, usually an ige mediated reaction. Spring pollen allergens are tree pollens and molds. Summer is mostly grass and mold. Fall is ragweed, other weeds, and mold. Year round allergens in the house are dust mites, pet danders, and, wait for it, mold. Common food allergens are peanut, shellfish, nuts, wheat, and others. ...Read more

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What are common food allergens?

What are common food allergens?

Eight foods : Milk
eggs
peanuts
tree nuts such as almonds, cashews, walnuts.
Fish (such as bass, cod, flounder)
shellfish (such as crab, lobster, shrimp)
soy
wheat
the eight foods included in food allergy labeling account for an estimated 90 percent of allergic reactions. ...Read more

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What are common plant allergens?

What are common plant allergens?

Ragweed: Ragweed, mulberry, sage grasses are some more common plant allergens. ...Read more

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Do nachos contain any allergens?

Do nachos contain any allergens?

Yes: If your nachos contain chips (wheat) or cheese (dairy) these are very common food allergens. The other common food allergens are egg, peanut, soy, nuts, fish and shellfish. However, any food can potentially trigger a food allergic reaction. ...Read more

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Are there allergens in chocolate?

Are there allergens in chocolate?

Milk and nuts: Patients can become allergic to chocolate. Also, besides peanut, milk and tree nuts are often added to chocolate candies. ...Read more

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How do allergens affect the body?

Depends on what kind: Respiratory allergens attach to eosinophils, mast cells or other cells and cause allergy symptoms; oral allergens get absorbed and bind to mast cells and cause allergy symptoms — just to give you an idea. ...Read more

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What are the major food allergens?

8 foods/ food groups: The major food allergens are milk, egg, wheat, soy, peanut, tree nuts, fish and shellfish. These are responsible for roughly 95% of food allergies. ...Read more

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Can exposing yourself to an allergen help?

Depends how: The route of exposure, among other factors (including genetics) determines whether an individual becomes allergic or tolerant of an allergen. Once allergic, for over 100 yrs, it has been known that bypassing respiratory mucous membranes by giving allergy shots leads to tolerance; similarly, new ways of food desensitization involve gradually eating the food in measured amounts. ...Read more

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What is the definition or description of: allergen?

What is the definition or description of: allergen?

Cause for allergy: A substance that can cause an allergic reaction. Common allergens include ragweed pollen, animal dander, and mold. ...Read more

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How can I keep the air in my car clear of allergens?

How can I keep the air in my car clear of allergens?

HEPA: Is a type of air filter. Meeting the hepa standard have many applications, including use in medical facilities, automobiles, aircraft, and homes. The filter must satisfy certain standards of efficiency such as those set by the United States department of energy. To qualify as hepa by us government standards, an air filter must remove 99.97% of all particles greater than 0.3 micrometre ...Read more

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What is does it mean for something to be an allergen?

Triggers allergies: An allergen is any substance, usually a protein but occasionally a carbohydrate, drug or metal, that upon entering the body is perceived by the immune system as being foreign. If the immune reaction results in immediate hypersensitivity like asthma or anaphylaxis or contact dermatitis like poison ivy or poison oak then that foreign substance has acted like an allergen. ...Read more

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How can I find information about allergens in my food?

How can I find information about allergens in my food?

Elimination diet: Try an elimination diet. You'll remove suspected allergens like wheat or dairy for a week, if symptoms improve, try reintroducing them one at a time in 2-3 day intervals. If you react negatively to a food, you may have a sensitivity to that food type. You can also see a provider for "rast" blood testing. ...Read more

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Does contact with allergens cause immediate reactions?

Yes if allergic: The hallmark of allergy is an almost immediate reaction to substances to which you are allergic. If you are not allergic nothing happens. ...Read more

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What determines the degree of response your body mounts to an allergen?

What determines the degree of response your body mounts to an allergen?

Genes ; environment: Whether you would become allergic or not is highly dependent on your genetic makeup and your exposure to the environment. In atopic dermatitis, one often finds gene mutations which lead to a permeable skin surface thereby allowing water to escape and allergens to enter through the skin and sensitize you the susceptibility of one's organ also determines what disease one may suffer. ...Read more

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Are allergic tests for cats definitive? Will the test be done for all for major allergens known in cats?

Depends: There are two materials used for cat allergy testing — hair & skin. Both contain the major cat allergen. Cat skin contains other allergens — especially cat Albumin — not present in cat hair — that sometimes cause allergic symptoms. So if you were tested only with cat hair perhaps you could be retested with cat skin (aka cat epidermal or cat dander). ...Read more

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I know when your body is in contact with an allergen it thinks that it is a harmful "alien" but why are there different reactions person to person?

Depends on: How the body processes the "alien" and the nature of the "alien" as well. There is likely a genetic component to how one responds to "alien". How one is exposed to these "aliens" affects the respons As an example, metal allergy usually causes skin rash with minor exceptions when airborne allergens usually cause nasal, respiratory, or intestinal symptoms among genetically susceptible individuals ...Read more

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How can a person be desensitized to an allergen?

Immunotherapy: The simple answer is allergy immunotherapy. This is typically done for airborne allergens or bees and is the process by which giving the patient back increasing doses of the allergen(s) they will have less and fewer symptoms. Allergy vaccine therapy is not a cure but can induce long term modifications in the immune system so that the targeted allergens clinically cause fewer problems. ...Read more

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Can air purifiers be helpful in controlling cat allergens?

Yes: Keep the fury little beast out of your bedroom at all times and if possible get rid of carpeting. If not, move. If you can't move, sell the cat. If you can't sell the cat, take him for a ride and leave him with a good family. I have horrible allergies. I hope you are not going to end up in emergency room unable to breathe. I did. Wasn't fun. My brother in laws cat. Solution?- nvr been back+ divorc. ...Read more