Doctor insights on:
What Is The Average Time A Person Can Have An Allergic Reaction
Essentially allergies occur when your immune system goes crazy and decides to has to fight against things it should be ignoring. The immune system of people without allergies simply ignores the pollen in the air or the dander on their cat while an allergic person's immune system creates cells to fight against the pollen or dander. The allergic reaction causes the ...Read more
How long dose it take to have an allergic reaction to a medication if it is you're first time taking the medication?
If I have an allergic reaction only to undercooked shrimp, wouldn't i just be allergic to shrimp all the time?
Shrimp allergy: Many foods have multiple allergens some of which may be destroyed by cooking. Most of time people react to cooked shrimp but it is possible to only be allergic to the protein which are destroyed by cooking. However over time you could develop allergy to cooked shrimp as well. ...Read more
Is it possible to have an allergic reaction to amoxicillin after using it several times previously? I'm on day 4 of 875mg/2x daily and today I am breaking out in hives. What should I do?
Medicine allergies: Yes. The thing to understand about allergic reactions is that the body generally has to have had prior exposure before an allergic response. It is actually rare to have a true allergy to something with the first exposure.You should stop the medicine and notify your physician to get a different antibiotic and document the allergy. ...Read moreSee 1 more doctor answer
Depends.: An acute allergic reaction to a food, drug or insect sting begins in a few minutes & lasts 2 to 48 hours. Pollen, animal dander, dust mite & mold allergies begin in minutes but last as long as exposure continues. For example, ragweed allergy lasts for about a month. Acute contact dermatitis (poison oak/ivy) lasts 1-2 weeks; chronic (nickel) resolves only with removal of the offending agent. ...Read moreSee 1 more doctor answer
No average allergy: Everyone's allergic reaction varies. There can be mild symptoms or severe symptoms. You can have continual exposure to the allergen (pollen for example) or acute exposure (like eating shellfish). The cause of the allergy, the severity of symptoms, and other factors all play into how long an allergic reaction occurs. ...Read more
Allergic reactions: Food allergic reactions typically begin within 30 munutes of an ingestion and typically peak at about 30 minutes after they begin. The reaction may be short lived, lasting only a few hours (typical) or long-last; possibly for days (rare). ...Read more
Only if allergic now: Seafood allergy can present at any time even after having tolerated the seafood many times before. Even after a long interval of not eating a particular food, it should be well tolerated unless that person has developed a new allergy. The initial reaction of a food allergy can be mild or severe and life threatening. An allergist can perform skin tests to assess if a shrimp allergy has occurred. ...Read more
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