diphenhydramine hydrochloride · Medicine question

Which gastrointestinal conditions are contraindications to oral diphenhydramine hydrochloride?

Name: Which gastrointestinal conditions are contraindications to oral diphenhydramine hydrochloride?
Published: 2026-11-08T13:46:08.879Z

iatroX medicinesPublished 8 November 2026

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For the Flamingo Pharma (UK) Ltd product, oral diphenhydramine hydrochloride 25 mg tablets, stenosing peptic ulcer and pyloroduodenal obstruction are gastrointestinal contraindications.

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Diphenhydramine Hydrochloride 25 mg Tablets 20's (P) (PL 43461/0065)Flamingo Pharma (UK) Ltd · emc · SmPC §4.3 Contraindications · Version 3Document updated 8 September 2025

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