What do systematic reviews say?

Risk of adverse events ‐ not reported · participants at risk of high altitude illness

Secondary outcome: all adverse events · adult patients with the common cold

Serious adverse events ‐ not measured · people with CIDP

Serious adverse events ‐ not measured · patients with acute gout

Serious adverse events ‐ not reported · patients with Shigella dysentery

Serious adverse events ‐ not reported · patients with Shigella dysentery

Serious adverse events ‐ not reported · patients with Shigella dysentery

Serious adverse events ‐ not reported · patients with Shigella dysentery

Serious adverse events ‐ not reported · patients with Shigella dysentery

Serious adverse events ‐ not reported · patients with Shigella dysentery

Serious Adverse Events ‐ not reported · patients with shoulder pain

Other adverse events and complications · people with liver metastases

Other adverse events and complications · people with liver metastases

Constipation · people with moderate to severe cancer pain

Unintended adverse events ‐ not reported · children aged 5 years and under

Adverse events during treatment period · people with acute ischemic stroke

Serious adverse events: major bleeding · Dialysis vascular access outcomes in AVF patients with ESKD

Adverse events after tiotropium 5.0 µg · adults and children with cystic fibrosis

Harms or adverse events ‐ not reported · patients and carers

Grades 3 and 4 adverse events ‐ not reported · people with chronic lymphocytic leukaemia