Chemical peeling showed no clear difference in investigator‐assessed adverse events (short‐term) N of participants… compared with needling (low certainty).
It is very uncertain whether impulsive lifestyle counselling + treatment‐as‐usual changes adverse events: death Assessed by: number of participant deaths… compared with treatment‐as‐usual alone (very low certainty).
Corticosteroid creams/ointments: clobetasol propionate foam showed no clear difference in primary: adverse events ‐ any adverse event treatment‐related… compared with vehicle foam (moderate certainty).
Skim milk enriched with GMP/G600 showed no clear difference in participant withdrawals due to adverse events participant and study… compared with skim milk & lactose powder (low certainty).
It is very uncertain whether group B cognitive behavioural therapy: cognitive behavioural therapy… changes adverse effects: specific ‐ doctors' assessment of adverse effects… compared with cognitive behavioural therapy + placebo (very low certainty).
It is very uncertain whether group C cognitive behavioural therapy: cognitive behavioural therapy… changes adverse effects: specific ‐ doctors' assessment of adverse effects… compared with supportive therapy + placebo (very low certainty).
It is very uncertain whether psychological therapy changes adverse events: all ‐ other events ‐ not listed above (e.g. fall,… compared with usual care and/or attention control (very low certainty).
Cefditoren pivoxil showed no clear difference in severe adverse events leading to withdrawal of treatment (reported… compared with cefaclor (low certainty).
Acyclovir + calamine + cetirizine showed no clear difference in minor participant‐reported adverse events not requiring withdrawal… compared with calamine + cetirizine (low certainty).
It is very uncertain whether fractional laser changes participant‐assessed adverse events (short‐term) Burning N of… compared with non‐fractional non‐ablative laser (very low certainty).
The intervention showed no clear difference in adverse events a. Serious adverse events b. Discontinuation of trial… (low certainty).
Cefadroxil showed no clear difference in severe adverse events leading to withdrawal of treatment (reported… compared with flucloxacillin (low certainty).
It is very uncertain whether chemical peeling changes participant‐assessed adverse events (short‐term) N of participants… compared with needling (very low certainty).
Injectable fillers showed no clear difference in participant‐reported adverse events (short‐term) N of participants… compared with placebo or no treatment (low certainty).
Injectable fillers showed no clear difference in investigator‐assessed adverse events (short‐term) N of participants… compared with placebo or no treatment (low certainty).
It is very uncertain whether pharmacological intervention and non‐invasive brain stimulation… changes adverse events: all ‐ central nervous system events (e.g. headache,… compared with a pharmacological intervention and sham stimulation or usual care… (very low certainty).
It is very uncertain whether azithromycin changes minor adverse events not leading to withdrawal of treatment… compared with cefaclor (very low certainty).