A controlled study of benzydamine oral rinse (‘Difflam’) in general practice

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Abstract
Fifty-two patients suffering from presumed viral pharyngeal infection or tonsillitis were treated with either benzydamine or placebo oral rinse as a gargle at 3-hourly intervals in a randomized double-blind study. Patients on the active preparation experienced faster resolution of pain and dysphagia and at 7 days 88% were symptom-free compared with 38% on placebo.