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Doctor insights on: Antihistamine For Food Allergy

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Do antihistamines help with food allergies?

Do antihistamines help with food allergies?

Yes: They can help alot depending upon what you are allergic to. Some food allergies, such as peanut, even oral antihistamines are not strong enough to prevent anaphylaxis and avoidance is the only "treatment" in wide spread use. Milder allergies can be improved with antihistamines. Check with your allergist. ...Read more

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Dr. Michael Zacharisen
569 doctors shared insights

Food Allergy (Definition)

Allergies usually mean there is a response like diarrhea, vomiting, hives, or anaphylaxis when that food is eaten. Other allergies can be more subtle and lead to chronic congestion, headaches, eczema, rashes, constipation, etc. Best answer- if concerned about a particular food eliminate it from your diet and see how you respond. You can ...Read more


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Swollen lips & blisters since 5:45am, saw hospital was given antihistamines and steroids, told POSSIBLE FOOD ALLERGY. swelling returned it now 10:32pm?

Swollen lips & blisters since 5:45am, saw hospital was given antihistamines and steroids, told POSSIBLE FOOD ALLERGY. swelling returned it now 10:32pm?

Airway?: Keep in mind the half life of your antihistamine. It is probably wearing off and needs to be redosed. If not improving within an hour of redosing you need to go back to the ER. Cetirizine 10mg will last 24 hours. ...Read more

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What dosage of antihistamine should I take to resolve a mild food allergy reaction?

What dosage of antihistamine should I take to resolve a mild food allergy reaction?

Any recommended: Dosage of any OTC antihistamine, either first or second generation, will be effective, more important though is avoidance of re-exposure to the offending food till problem is sorted out. Keep antihistamine handy for accidental exposure, if severe reaction, keep epipen (epinephrine) handy too, see your doctor/allergist if the problem is bothersome, best wishes ...Read more

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What kind of antihistamine help my facial swelling due to food allergy?

What kind of antihistamine help my facial swelling due to food allergy?

Help us by...: ...defining what you mean by facial swelling (hives, asymmetric, lips, peri-ocular, etc.), what are the accompaniments (like difficulty swallowing, hard to breath?) and why you think this is a histamine-mediated food allergy? ...Read more

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If my 9 month old infant has broken out in hives possibly from a food allergy, is there an antihistamine?

If my 9 month old infant has broken out in hives possibly from a food allergy, is there an antihistamine?

Call pediatrician: There are antihistamines that can be used for infants. The dose should be adjusted for your infant's weight. Non-sedating antihistamines are preferred as drowsiness after hives may be a symptom of a more serious allergic reaction called anaphylaxis. Benadryl (diphenhydramine) can also sometimes cause unexpected irritability. You will want to discuss these issues with your pediatrician. ...Read more

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Is it safe to take Benadryl (diphenhydramine) after 3 glasses of wine if i feel i may have been exposed to a food allergy of mine?

Is it safe to take Benadryl (diphenhydramine) after 3 glasses of wine if i feel i may have been exposed to a food allergy of mine?

NO: Benadryl (diphenhydramine) makes you groggy like a glass of wine. 3 glasses of wine makes most of the people very groggy. I don't know about you (depend of body mass and tolerance). Having an allergic reaction should be addressed as well especially after that drinking. If the allergic reaction is not severe you consider drinking as much water. If the reaction is severe you need to see a doctor. ...Read more

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Rash breakouts on legs from food allergy. What OTC can I take besies benadryl (diphenhydramine)?

Rash breakouts on legs from food allergy. What OTC can I take besies benadryl (diphenhydramine)?

No much OTC meds: If you have real food allergy and you break out in hives when you eat that particular food, beside benadryl, (diphenhydramine) there are not much otc meds you can take. Go to the nearest er if you have nausea, vomiting or difficulty breathing since those are signs of anaphylaxis and can be dangerous. If the rashes are eczema but not hives, you can use otc cortisone cream, moisturizer and see an allergist. ...Read more

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Dr. John Chiu
2,491 doctors shared insights

Allergies (Definition)

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


Dr. Heidi Fowler
3,408 doctors shared insights

Nutrition (Definition)

Nutrition is the synergistic combination of nutrients found in food and water that allows the human body to perform all essential ...Read more