For Bell's palsy, start steroids early; no need for an antiviral
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A 10-day course of corticosteroids (prednisolone 25 mg twice daily) started within 72 hours significantly improves the chances of complete recovery. There is no added benefit from acyclovir. Strength of recommendation A: Based on a large, well-designed randomized controlled trial.
Journal of Family Practice, 57(1) 2008: 22-25.