Doctor insights on:
How Long Does Allergen Stay In Your System
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
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
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
I'm allergeic to cats: Can constant exposure to cat allergen in my house (1 cat and 6 dogs) be the cause for prolonged/permanently enlarged nodes?
How long is it supposed to it take for the allergic reaction to stop once the allergen is taken away?
Varies: If completely avoided minutes to hours.Get a more detailed answer ›
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
How long does it take for facial skin to recover from an allergic reaction after a daily 3-month exposure to the allergen after first reaction?
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
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
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
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
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
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
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
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
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
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
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
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
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
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