The present invention is directed towards a medicament comprising a capsaicinoid possessing antiviral activity and useful in the treatment of viral infections and in the treatment of HIV/AIDS. The medicament also possesses neuroplasticity-enhancing activity and is useful in the treatment of stress and other psychological conditions. Further, the medicament possesses anti-inflammatory activity and is useful in the treatment of arthritis. The medicament has also been shown to possess antibacterial activity.