The effect of propolis plus Hyoscyamus niger L. methanolic extract on clinical symptoms in patients with acute respiratory syndrome suspected to COVID-19: A clinical trial.
- 2021-04-15
- RCT
- Phytotherapy research : PTR 35(7)
- Morteza Kosari
- Mehdi Noureddini
- Seyed Peyman Khamechi
- Ahmad Najafi
- Amir Ghaderi
- Mojtaba Sehat
- Hamid Reza Banafshe
- PubMed: 33860587
- DOI: 10.1002/ptr.7116
- High evidence
- Clinical
However, the administration of syrup was not effective in the control of nausea and vomiting.
- Effect
- Neutral
- Effect size
- Small
- Significant
- No
- Dose
- 450 mg three times daily