What do systematic reviews say?

Lithium vs placebo

Lithium showed no clear difference in benzodiazepine discontinuation, end of intervention compared with placebo (low certainty).

• Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users 2018 · Cochrane Headline outcomes only
  RR 1.05 [0.86, 1.28]
  1 study · 230 participants
  Low