A 48-year-old member asked:
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Is Zantac (ranitidine) (histamine blocker) used for children for allergies.?

1 doctor answer
Dr. Anthony LaBarbera
27 years experience in Pediatrics
See below: Zantac (ranitidine) is not effective for prevention of allergy symptoms. It blocks the h2 histamine receptor instead of the h1. I have seen use of both an h! and an h2 blocker for the treatment of chronic hives.
Answered on Feb 24, 2018

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A 46-year-old male asked:
Dr. John Chiu
Dr. John Chiu answered
56 years experience in Allergy and Immunology
No: Zantac (ranitidine) is a histamine 2 receptor reverse agonist and would not significantly affect histamine production.when withdrawn. There is a theo ... Read More
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A 28-year-old female asked:
Dr. Al Hegab
Dr. Al Hegab answered
39 years experience in Allergy and Immunology
Zantac (ranitidine): Is an antihistamine itself, it blocks H2 receptors, histamine has more than one type of receptors in the human tissues. H1, blocked by the usual antih ... Read More
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A 41-year-old member asked:
Dr. Michael Zacharisen
32 years experience in Allergy and Immunology
Not exactly: Zantac (ranitidine) is an h2 (histamine) blocker that is typically used for ge (acid) reflux. However, it is commonly used to treat chronic hives in ... Read More
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A 41-year-old member asked:
Dr. Jack Mutnick
16 years experience in Allergy and Immunology
Uncommon: Zantac (ranitidine) is an h2 receptor blocker (a different histamine receptor). A very common side effect of Zantac (ranitidine) is nausea, GI upset a ... Read More
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