Doctor insights on:
What To Expect After An Allergic Reaction
Often delayed rxn: Foods must generally first be digested, then absorbed into the body so reactions to them are usually delayed and are igg reactions. One often thinks of the peanut allergy that is immediate and deadly which is and ige reaction. The reactions can vary from diarrhea to constipation, skin rashes, joint pains, hair loss and more so testing with a specialty igg blood test is required to "figure it out". ...Read more
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
Allergy testing: Only physicians trained in the specialty of allergy, asthma ; immunology are trained in a monitored situation during residency to perform skin testing for ige-mediated allergy. Some ENT programs are adding this to their training. If you were skin tested by a non-specialist, consult a specialist, if you were skin tested by an allergist, it is likely that you are unusally allergic. ...Read more
This is uncommon: Antihistamines are used to treat allergic reactions. Unfortunately, some people have adverse reactions to antihistamines, but these reactions are not true allergic reactions. They can include drowsiness, dry mouth, GI upset, etc. Thankfully, there are many antihistamines to choose from so their are options. Sometimes, it may not be the antihistamine itself but another ingredient like a dye. ...Read more
Nothing really: the gastrointestinal reaction occurs ..then its over....no permanent damage... ...Read more
Antibiotic allergy: Antibiotic allergies can clear up in a day or last up to six months. Fortunately, most resolve relatively quickly, over a few days. We do not yet know why some persist for a long time and require strong medications like oral steroids (e.g. Prednisone) in order to settle down. ...Read more
Skin allergies: The commonest allergic reaction due to skin contact is allergic contact dermatitis. This usually shows up 48-72 hours after you touch the allergen, like poison ivy, but in a hypersensitive person, the time-course can be accelerated. A skin reaction to an allergen for which the body has made ige shows up nearly immediately, within minutes. We use this when we do prick skin testing. ...Read more
Oral allergy: If your reaction is limited to the mouth, which is usually the case with pineapple, time will heal it. This is not a life threatening allergy, it is called oral allergy syndrome. Take an oral antihistamine 30 minutes before eating it in the future or avoid it. Cooked pineapple should be ok. ...Read more
Antihistamines: And then call 911. Please always carry epi with you! ...Read more
Avoidance: After someone has an allergic reaction the most prudent step is to try, as hard as it might be at times, to identify the allergic trigger and avoid future exposure. If you were referring to treatment after an allergic reaction it depends on the degree of response ie mild, moderate or severe. An allergist can help you answer these questions often just by taking an in depth history. ...Read more
Varies: If you think you having an allergic reaction to any drug contact the doctor who prescribed the drug if you can stop the drug .Discuss whether you can use another drug which will not give you possible reaction. If the drug is essential it can be reintroduced after the rash resolves only under direct medical supervision. It is preferable to avoid drugs which cause allergic reactions. ...Read moreSee 1 more doctor answer
Ask: Ask your oncologist about your options. Depending on the malignancy, oxaliplatin may be your best option even after having a reaction. An Allergist can help to evaluate the reaction, and depending on its nature, suggest an effective premedication regimen or even assist with a desensitization procedure (basically fooling the immune system into accepting the drug). ...Read more
Yes: It is likely that you are still allergic if you were before. ...Read more
If i was going to have an allergic reaction to something typically hiw long would it take to see the reaction?
Allergies: It depends on the symptoms? Go to the er if they are bad or you had a previous history of a bad reaction. Don't take a chance. For a mild skin reaction take antihistamines. ...Read more
What is the difference between an allergic reaction and an anaphylactic reaction? Do you need epipen (epinephrine) for both?
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