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التصنيف: cold drugs المادة الفعالة:diphenhydramine+paracetamol(acetaminophen)+pseudoephedrine
about diphenhydramine first generation h1 antagonist ethanolamine derivative antihistamine antiemetic antivertigo sedative and hypnotic. mechanism of action of diphenhydramine antiallergic action: it produces its antihistamine action by competitively bloc
