Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

488 questions · 501 findings · 191 reviews

No studies found 126 · 25.1%GRADE not reported 124 · 24.8%Very low 104 · 20.8%Low 89 · 17.8%Moderate 49 · 9.8%High 9 · 1.8%

Cessation of water fluoridation (fluoride removed from the water supply) vs Continued fluoridated water

Adverse effects · People of all ages in a previously fluoridated community (Maupome 2001: children with generally low caries experience)

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Adverse effects · Various (pregnant women; daily smokers aged 16 and older; university students; children aged 5‐13)
1 finding from 1 review

Prophylactic aciclovir (oral or intravenous) vs placebo

Adverse effects · Patients being treated for cancer (predominantly haematological malignancies)
1 finding from 1 review

Antidepressants (trazodone 200 mg/day) vs placebo

Frequency of adverse effects ‐ dizziness ( · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

It is very uncertain whether antidepressants (trazodone 200 mg/day) changes adverse effects: dizziness compared with placebo (very low certainty).

1 finding from 1 review

Antidepressants (trazodone 200 mg/day) vs placebo

Adverse effects: dry mouth · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

It is very uncertain whether antidepressants (trazodone 200 mg/day) changes adverse effects: dry mouth compared with placebo (very low certainty).

1 finding from 1 review

Brexpiprazole vs antidepressive agents

Adverse effects: 2. Extrapyramidal ‐ akathisia · participants of any age with a primary diagnosis of major depressive disorder

Brexpiprazole probably leads to higher adverse effects: akathisia (followed up until the end of the longest compared with antidepressive agents (moderate certainty).

1 finding from 1 review

Brexpiprazole vs antidepressive agents

Weight gain · participants of any age with a primary diagnosis of major depressive disorder

Brexpiprazole probably leads to higher adverse effects: weight gain (followed up until the end of the longest compared with antidepressive agents (moderate certainty).

1 finding from 1 review

Antidepressants (trazodone 200 mg/day) vs placebo

Somnolence · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

It is very uncertain whether antidepressants (trazodone 200 mg/day) changes adverse effects: drowsiness compared with placebo (very low certainty).

1 finding from 1 review