| Methods |
RCT |
| Participants |
113 adults, 57% men, age range from under 30 to over 70 years (no details given), primary care, Germany, cough due to URTI |
| Interventions |
Other combination: EM‐Vier (Minetten): Extr thymi aquos.sicc 5 mg, succus liquiritiae depurat. inspiss. 20 mg, menthol 3.5 mg, ephedrine hydrochloric 2 mg, ol. eucalypti 2 mg, ol. menthae piperitae 0.7 mg 6 times daily for 14 to 18 days |
| Outcomes |
Outcome measurement unclear |
| Notes |
No adverse effects in either group |
| 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 |
Patients blinded; blinding of providers and outcome assessors not reported |
| Incomplete outcome data (attrition bias)
All outcomes |
Unclear risk |
95% follow‐up. No difference between groups |
| Selective reporting (reporting bias) |
Unclear risk |
Not reported |
| Other bias |
Unclear risk |
No power calculation reported |
