Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 1 · 100%High 0 · 0%

Valaciclovir (long‐term) vs placebo

Adverse effects during use of the preventative intervention · participants with recurrent herpes labialis

Valaciclovir (long‐term) showed no clear difference in adverse effects during use of the preventative intervention compared with placebo (moderate certainty).

1 finding from 1 review

Interventions for prevention of herpes simplex labialis (cold sores on the lips) 2015 · Cochrane Headline outcomes only
RR 0.86 [0.51, 1.46]
1 study · 95 participants
Moderate