Objective The objective was to show the superiority of comfrey root extract ointment to placebo ointment in patients with acute upper or lower back pain. Design The study was conducted as a ...

Comfrey extract ointment may possibly be better than placebo ointment for short-term improvements in pain as assessed by visual analogue scale in acute LBP (low quality evidence) Diana Ernst, RPh, is ...

Comfrey, until fairly recently, was used for centuries as a medicinal herb. Some of the common folk names for it, such as “healing herb” and “bruisewort,” reflect the healing properties that people ...