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8390911 
Journal Article 
Effectiveness of amylmetacresol and 2,4-dichlorobenzyl alcohol throat lozenges in patients with acute sore throat due to upper respiratory tract infection: A systematic review protocol 
Tan, TW; Chen, BC; Tan, HL; Chang, CM 
2017 
Joanna Briggs Institute 
15 
4 
862-872 
English 
Review question/objective: This review aims to determine the best available evidence related to the effectiveness of amylmetacresol and 2,4-dichlorobenzyl alcohol throat lozenges in patients with acute sore throat due to upper respiratory tract infection (URTI). The objective is to examine the analgesic properties of amylmetacresol and 2,4-dichlorobenzyl alcohol (AMC/DCBA) throat lozenge comparing with placebo for the relief of pain in patients with acute sore throat due to URTIs. The review question is: Are amylmetacresol (AMC 0.6 mg) and 2,4-dichlorobenzyl (DCBA 1.2-mg) alcohol throat lozenges effective in relieving acute sore throat caused by URTIs? More specifically, the objectives are to: Evaluate changes in severity of throat soreness Evaluate the pain relief ratings Measure functional difficulty in swallowing Measure functional throat numbness. © 2017 THE JOANNA BRIGGS INSTITUTE. 
2,4-dichlorobenzyl alcohol; Amylmetacresol; Lozenge; Respiratory infection; Sore throat