Doctor insights on:
How Long Do Allergies Usually Last
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
Why do allergy shot injections last for only about 10 years? Is there anything else that lasts longer?
We do not know: Some patients get lifelong relief from allergy shots, while others never seem to be able to stop them. Most patients get a least 10 years of relief from 3-5 years of shots. ...Read more
Long, long time: Shrimp allergies tend to persist compared to other food allergies. Even when cooked, the major shrimp allergen is resistant to heat. Shrimp (and other shellfish) are more likely to cause severe allergic reactions like anaphylaxis. The major shrimp allergen called tropomyosin (in the meat/muscle) can cross react with house dust mite. The reaction has nothing to do with iodine. ...Read more
Seasonal allergy: As the terminology says, it would last until the season is over. I suppose what you refer to as seasonal allergy is seasonal allergic rhinoconjunctivitis or hay fever like diseases. You should check with your local allergist to see if it is the case and which seasons you are likely to be affected. ...Read more
24 hours or less: Claritin, and its generic form - Loratadine - generally lasts about 17 hours. Thus, taking it in the morning (which is safe to do as it is non-drowsy) should get you through the majority of the day. If it does not, talk to your doctor about adding a topical nasal steroid spray. ...Read more
Received a depomedrol shot today 80mg, in my bottom, for allergies & sinus issues. When will it kick in and how long will it last?
About 6 hrs: You should get some effects in about 6 hrs but the peak effect takes a day or two In general, I would advise against getting cortisone shots for a sinus infection especially for someone with anxiety & BP issues since nasal steroid likely works better with no serious side effects. If you have frequent sinusitis and allergies, best to consult an allergist. ...Read more
How long does seasonal allergies last? I still have an awful cough and I don't know what this means.
Depends: Where you live, how long the seasons are, what other allergens you may be allergic to (mold during winter) see an allergist for treatment. Good luck! ...Read more
Going to allergist to be checked for enviremental allergies and to cats/dogs, what do they do? How long does it last? What should I bring
Usually skin testing: With skin testing the allergist usually pricks the skin with a small amount of the material you may be allergic to. A positive test is a hive. Sometimes the allergist will also test by injection a very small amount of the potential allergic material in the skin, . One must be off antihistamines for 3 days or more. Blood tests can be done if one can't do skin tests. Often, it takes 1-3 hours ...Read more
I took an allergy pill and I think I am having a allergic reaction and I was wondering how long it will last. The reason why I think that is I got the?
Please re-submit: Hard to know if the reaction is to the allergy pill or something else and the remainder of the question is cut-off. Thanks for using HealthTap! ...Read more
One day to years: If the dust mite exposure is avoided, symptoms may resolve in a few hours without treatment. If there has been significant, prolonged exposure, it may take weeks or months to resolve without treatment. If the mold exposure cannot be avoided, the symptoms will last indefinitely. ...Read more
Unpredictable: Most infants outgrow milk protein allergy by the age of 2 years--more importantly, about 80% of children will outgrow allergy to milk by the age of 5. See an allergist for appropriate testing and recommendations on when to reintroduce milk into your child's diet. ...Read moreSee 1 more doctor answer
Bee sting allergy: You can get an immidiate allergic responce and it can cause swelling of the larynx and you need Epinephrine injection, late resonce can be swelling, itching and rash at the site of sting and meds like Benadryl (diphenhydramine) and local treatment will be enough. If you have known allergy to bee sting, you should carry Epipen at all times. It may clear in 48 to 72 hours. ...Read more
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