What do systematic reviews say?

Gingko biloba with concurrent intervention vs concurrent intervention only

The review found no eligible studies for this question.

• Ginkgo biloba for tinnitus 2022 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

CBT vs no treatment or waiting list

• Cognitive behavioural therapy for tinnitus 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 179 participants
  Very low

Antibiotic eardrops (with or without a corticosteroid) vs oral antibiotics

The review found no eligible studies for this question.

• Interventions for children with ear discharge occurring at least two weeks following grommet (ventilation tube)… 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The intervention showed no clear difference in health‐related quality of life scores, measured by SF‐36 (range 0 to… (low certainty).

• Surgical versus medical interventions for chronic rhinosinusitis with nasal polyps 2014 · Cochrane Headline outcomes only
  MD 0.6
  1 study · 95 participants
  Low