Platycodon root (Platycodon grandiflorus), also known as balloon flower root or Jie Geng, has a long history of use in traditional Chinese medicine (TCM) for respiratory health, including the treatment of conditions resembling modern sinus infections. In TCM, it is believed to “open up the lungs” and “dispel phlegm,” which aligns with symptoms such as nasal congestion, sinus pressure, and cough often seen in sinusitis. Ancient texts and modern TCM practitioners commonly prescribe platycodon root as part of herbal formulations for upper respiratory tract infections and sinus issues.

Modern scientific research provides only limited support for these traditional uses. Some laboratory and animal studies suggest that platycodon root contains saponins (notably platycodin D) that exhibit anti-inflammatory, expectorant, and immune-modulating properties. These effects could theoretically help reduce sinus inflammation and facilitate mucus clearance. However, clinical trials specifically evaluating platycodon root for sinusitis in humans are lacking, and existing studies largely focus on broader respiratory symptoms or cough rather than sinus infection per se.

In summary, the use of platycodon root for sinus infections is primarily justified by traditional medicine practices rather than robust scientific evidence. While preliminary pharmacological findings are promising, stronger clinical data are needed to confirm its efficacy for sinusitis.