Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

97 questions · 97 findings · 17 reviews

No studies found 21 · 21.6%GRADE not reported 4 · 4.1%Very low 33 · 34%Low 19 · 19.6%Moderate 17 · 17.5%High 3 · 3.1%

Anticonvulsants (gabapentin 300 mg/day) vs placebo

Adverse effects: drowsiness (gabapentin alone) · 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 anticonvulsants (gabapentin 300 mg/day) changes adverse effects: drowsiness (gabapentin alone) compared with placebo (very low certainty).

1 finding from 1 review

Gabapentin vs cetirizine (antihistamine)

Change in burn‐related pruritus (VAS) ( · people with postburn pruritus

Gabapentin showed no clear difference in change in burn‐related pruritus (VAS) ( compared with cetirizine (antihistamine) (low certainty).

1 finding from 1 review