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Meta-Analysis
. 2012 May;113(5):618-27.
doi: 10.1016/j.oooo.2011.10.010. Epub 2012 Apr 12.

Effectiveness of antiviral agents for the prevention of recurrent herpes labialis: a systematic review and meta-analysis

Hanieh Rahimi  1 , Tom Mara, John Costella, Mark Speechley, Richard Bohay
Affiliations
Meta-Analysis

Effectiveness of antiviral agents for the prevention of recurrent herpes labialis: a systematic review and meta-analysis

Hanieh Rahimi et al. Oral Surg Oral Med Oral Pathol Oral Radiol. 2012 May.

Abstract

Objective: The purpose of this study was to complete a systematic review and, if possible, a meta-analysis on the effectiveness of systemic and topical nucleoside antiviral agents in the prevention of recurrent herpes labialis (RHL) in immunocompetent subjects.

Study design: Multiple comprehensive electronic and manual literature searches without language restrictions identified the studies to be included. Quality assessment and data synthesis methods followed those described in the Cochrane guidelines.

Results: Of 2,683 papers reviewed, 10 met the inclusion criteria. Oral acyclovir (800-1,600 mg daily) and valacyclovir (500 mg daily for 4 months) were shown to be effective in the prevention of RHL when taken prior to the appearance of any symptoms or exposure to triggers. Of the 10 papers reviewed, only 1 was determined to have a low risk of bias.

Conclusions: This review found support for the use of systemic acyclovir and valacyclovir for the prevention of RHL.

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