Reach for Elderberries Modern Day Folk Medicine Elderberrry is a shrub that has been used medicinally for centuries. Sambucus nigra, or black elderberry bush, is the version most commonly used to make syrup and lozenges. Extracts of elderberry have antiviral, anticancer, and anti-inflammatory properties. Elderberry is also high in flavonoids. People take elderberry syrup as a remedy for colds, flus, and bacterial sinus infections. The plant medicine works by reducing swelling in mucus membranes. Some studies suggest elderberry extract reduces the duration of the flu. If it works for flu infections, it may help your immune system against coronavirus (COVID-19) infection. Elderberry Interactions Elderberry benefits are numerous, however, the remedy may interact with certain prescription medications. Always check with your doctor or pharmacist prior to adding any new remedy to your regimen. Elderberry may interact with the following medications. Diurectics: Elderberry is a di...