Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,809 questions · 1,956 findings · 194 reviews

No studies found 422 · 21.6%GRADE not reported 427 · 21.8%Very low 353 · 18%Low 397 · 20.3%Moderate 293 · 15%High 64 · 3.3%

Systemic oral acyclovir vs placebo or no treatment

Number of individuals with eating difficulties (8 days after administration); duration of eating difficulties · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis)

Systemic oral acyclovir led to lower number of individuals with eating difficulties (8 days after… compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review

Systemic oral acyclovir vs placebo or no treatment

Difficulty in drinking (number with drinking difficulties) · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis)

Systemic oral acyclovir led to lower number of individuals with drinking difficulties (8 days after… compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review

Systemic oral acyclovir vs placebo or no treatment

Number of individuals admitted to hospital after administration · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis)

Systemic oral acyclovir showed no clear difference in number of individuals admitted to hospital after administration compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review

Systemic oral acyclovir vs placebo or no treatment

Duration of fever · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis)
1 finding from 1 review
  • Amir 1997b: fever disappeared significantly earlier with acyclovir (median 1 day) than placebo (median 3 days); difference in median (95% CI): From 72: 1 (0.0 to 2.0); From 61: 2 (0.8 to 3.2); reported as median, not…
    2 studies
    GRADE not reported