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what to expect after an allergic reaction

A 50-year-old female asked:
Dr. Christiaan Maurer
22 years experience Internal Medicine
Not long: The half life is 1.1 hours. So 4-5 half lives and it will be gone. The allergic response however can be several days to weeks.

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A 35-year-old member asked:
Dr. John Chiu
Dr. John Chiu answered
56 years experience Allergy and Immunology
Hours to 2 days: Should go away within hours and rarely more than a day.
A 46-year-old female asked:
Dr. Michael P Vaughn
33 years experience Allergy and Immunology
Angioedema: Oral steroids might help reduce swelling after an allergic reaction, speak to your pcp about consideration of this therapy.
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Dr. Emily Altman
27 years experience Dermatology
Reducing swelling: If allergic reaction is ongoing, you need to see your doctor asap. Some allergic reactions, like hives, can be treated with antihistamines. If severe ... Read More
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A 46-year-old member asked:
Dr. Michael Palumbo
22 years experience Allergy and Immunology
Varies: Immediate reactions to a food can include hives, feelings of throat tightening and itching, shortness of breath, flushing of the skin and overwhelm f ... Read More
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A 41-year-old member asked:
Dr. Morris Westfried
45 years experience Dermatology
Does not: Epinephrine is not useful for itching, it is more for internal reactions such as bronchospasm. For severe itching oral ntihstamnies, cold compresses a ... Read More
A 51-year-old member asked:
Dr. John Chiu
Dr. John Chiu answered
56 years experience Allergy and Immunology
Trauma: Need to know what is the normal color of your skin. The greyish coloration is likely from the residual of the allergic inflammation or from scratching ... Read More
A 46-year-old member asked:
Dr. Michael Zacharisen
32 years experience Allergy and Immunology
Can be: In severe allergic reactions, a metallic taste in the mouth can occur. Some medications can also leave an unusual taste in the mouth. In pollen-food ... Read More
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A 39-year-old member asked:
Dr. Theodore Davantzis
39 years experience Dentistry
What reaction: What reaction did you have, how do you know it was an allergy, and how is it related to your retainer? Without these answers, hard to give you sound a ... Read More
A 46-year-old member asked:
Dr. Douglas Tavenner, jr.
49 years experience Cosmetic Dentistry
1-2 weeks: If that is your true problem. It may be from something else.
A 38-year-old female asked:
Dr. James Ferguson
45 years experience Pediatrics
Will be fine: A;though we prefer people use the newer non-sedating anti-histamines if they need them for regular use, this is unlikely to bother baby at all. A smal ... Read More

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