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allergic to antihistamines

A 27-year-old female asked:
Dr. Orrin Ailloni-Charas
29 years experience Anesthesiology
There are : Many different types of anti-nausea medications, but none of them are anti-histamines. I don't know why your doctor is correlating the them. Perhaps ... Read More
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A 40-year-old female asked:
Dr. Marie Trenga
36 years experience Family Medicine
Yes: Good question. It is very rare but does happen. Sometimes they are not allergic to the Diphenhydramine but the dyes and fillers used to make the medi ... Read More
A 28-year-old female asked:
Dr. Gary Moss
Dr. Gary Moss answered
29 years experience Allergy and Immunology
Unlikely: Each antihistamine is unique, so it is unlikely that you would be allergic to multiple antihistamines. I had one patient who had hives to an antihist ... Read More
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A 40-year-old female asked:
Dr. David Shulan
41 years experience Allergy and Immunology
Not sure: What kind of problems do you have with antihistamines? Some adverse reactions to antihistamines may not be an allergy. I you get hives with antnihita ... Read More
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A 27-year-old female asked:
Dr. Jay Rosenfeld
A Verified Doctor answered
A US doctor answered Learn more
Talk to your doctor: If you have been tolerating orphenadrine, perhaps you do not have an allergy to antihistamines but may have had a side effect from one of them. Talk t ... Read More
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A 49-year-old female asked:
Dr. Dan Fisher
27 years experience Internal Medicine
Huh?: Ondansetron allergy is very uncommon. I am no allergist, but there is no apparent overlap between the antihistamine H1 and H2 receptor and the antiem ... Read More
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A 23-year-old male asked:
Dr. Nayla Mumneh
29 years experience Allergy and Immunology
Unlikely: Please define your symptoms from the medications. Theoretically someone can be reacting to a coating on the tablets, but rarely do people react to ant ... Read More
A 23-year-old male asked:
Dr. Pavel Conovalciuc
23 years experience Family Medicine
Unlikely: I doubt that anyone would be allergic to every antihistamine. Theoretically possible, but in real world I am yet to see such a patient.
A 40-year-old female asked:
Dr. J. Lawrence Dohan
57 years experience Dermatology
See a dermatologist: Why taking antihistamine? When you see the dr be prepared to name all antihistamines tried. Exact names. It is possible but very unlikely to get hives ... Read More
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A 23-year-old male asked:
Dr. Arthur Balin
47 years experience Dermatology
Allergy: In medicine, anything is possible. However it would be unusual to be allergic to all antihistamines because there are different drug molecules with ... Read More

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