What do systematic reviews say?

Non‐serious adverse events Maximum · neonates and children with hospital‐acquired pneumonia

Primary outcome 3: Adverse events · ulceration and other skin changes caused by nerve damage in leprosy

One or more serious adverse events · cognitively healthy people in midlife

Incidence/nature of adverse events · adults with neuropathic pain

People with serious adverse events · people with neutropenia or neutrophil dysfunction

Serious adverse events Not reported · Patients with shoulder pain

Dizziness · people with moderate to severe cancer pain

MST vs ECT ‐ serious adverse events · patients with schizophrenia

Number of women with adverse events · women with breast engorgement during lactation

Number of women with adverse events · women with breast engorgement during lactation

Number of women with adverse events · women with breast engorgement during lactation

Number of women with adverse events · women with breast engorgement during lactation

Number of women with adverse events · postpartum breastfeeding women

Number of women with adverse events · postpartum breastfeeding women

Number of women with adverse events · postpartum breastfeeding women

Number of women with adverse events · postpartum breastfeeding women

Number of women with adverse events · postpartum breastfeeding women

Number of women with adverse events · postpartum breastfeeding women

Adverse events ‐ Multiple pregnancy · women with subfertility

Child adverse events ‐ not measured · children and their families