OBJECTIVE: This study was designed to investigate the efficacy and safety of Antiwei granule, a traditional Chinese prescription, in the treatment of influenza.METHODS: This study was designed as a multi-centre, randomised, double-blind, placebo-controlled trial. Subjects were randomised within 36 hours of onset of influenza-like symptoms; that is, fever over 37.4癈, at least one respiratory symptom (cough, sore throat, or nasal symptoms), and at least one other symptom (headache, fatigue, myalgia, thirst, chills). Subjects received 6g Antiwei granule or matching placebo twice daily for three days.
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