Evaluation of efficacy and tolerability of a fixed combination of dry extracts of thyme herb and primrose root in adults suffering from acute bronchitis with productive cough
Kemmerich B
Published in Arzneimittelforschung
Methodology
Prospective randomised double-blind placebo-controlled multicentre trial of a thyme-primrose extract combination for 11 days in adults with acute bronchitis.
Key Findings
Coughing fits decreased by 67.1% with the herbal combination versus 51.3% with placebo, with earlier onset of improvement and good tolerability.
Conclusions
A standardised thyme and primrose combination modestly accelerates recovery from acute bronchitis with productive cough.
Limitations
Manufacturer-sponsored; symptom-score endpoints only; single-country population.
Outcomes Measured
Coughing fits decreased by 67.1% with a thyme-primrose extract versus 51.3% with placebo.
Related Health Concerns
Study Details
Access Study
This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.