Haig 1986.

Methods	R, DB, PC, parallel groups Cream applied lightly to affected area 6 times daily for 6 days Assessed at baseline, 2, 4, 6 days
Participants	Soft tissue injuries (< 24 hours) N = 43 M/F not reported Age not reported Baseline pain not reported
Interventions	Benzydamine cream 3%, 6 x daily, n = 21 Placebo cream, n = 22
Outcomes	Pain on movement: 4‐point scale (responder = "improved") Adverse events
Notes	Oxford Quality Score: R1, DB2, W0. Total = 3/5
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Not reported
Allocation concealment (selection bias)	Unclear risk	Not reported
Blinding (performance bias and detection bias) All outcomes	Low risk	"matching placebo"
Incomplete outcome data (attrition bias) All outcomes	Low risk	All participants apparently included in analysis
Size	High risk	< 50 participants per treatment arm