On the first day after surgery, patients receiving CBD experienced on average 23 percent less pain as measured by the visual analog scale pain score compared to patients receiving the placebo, highlighting that in patients with moderate pain, CBD may render a significant benefit. Further analysis also showed that patients receiving 50 mg of CBD reported lower pain and higher satisfaction with pain control compared to patients receiving placebo. By Vuk Zdinjak An orally absorbed tablet containing CBD effectively reduces pain after shoulder surgery with no safety concerns, a new study finds. It could be a new, inexpensive approach for delivering pain relief, and without the side effects of anti-inflammatory drugs and addiction risks linked to opiates. On both the first and second days after surgery, patients receiving CBD reported 22 to 25 percent greater satisfaction with pain control compared to those receiving placebo.