It is very uncertain whether betahistine changes improvement in vertigo frequency compared with placebo/no treatment (very low certainty).
It is very uncertain whether diuretic changes improvement in vertigo frequency compared with placebo/no treatment (very low certainty).
It is very uncertain whether calcium channel blockers changes improvement in vertigo frequency compared with no intervention (very low certainty).
Intratympanic corticosteroids showed no clear difference in improvement in vertigo frequency compared with placebo/no treatment (low certainty).
It is very uncertain whether intratympanic gentamicin changes improvement in vertigo frequency compared with no treatment/placebo (very low certainty).
Positive pressure therapy showed no clear difference in improvement in vertigo frequency compared with placebo (low certainty).
It is very uncertain whether abundant water intake changes improvement in frequency of vertigo compared with no treatment (very low certainty).
It is very uncertain whether sleeping in darkness changes improvement in frequency of vertigo compared with no treatment (very low certainty).
It is very uncertain whether ventilation tubes changes improvement in frequency of vertigo (complete resolution) at > 12… compared with no treatment (very low certainty).