Case report links chronic cannabis use to difficult dental anesthesia

This case report examined whether chronic cannabis use might affect pain perception and the effectiveness of local anesthetic during oral surgery. The report describes a 34-year-old man with a history of chronic cannabis use who underwent dental extraction and experienced an unusually painful response, along with difficulty achieving adequate anesthesia despite standard techniques. No comparator, treatment duration, or quantitative outcome measures were reported in the abstract.

The authors suggest that the presentation may relate to cannabis-associated changes in pain pathways, including hyperalgesia after chronic cannabinoid exposure, as well as possible pharmacokinetic and hemodynamic effects. However, this single case can identify a clinical concern but cannot establish that cannabis caused the increased pain or reduced anesthetic efficacy, determine how commonly this occurs, or show that it applies to other patients. This is an abstract-based summary; the full text was not reviewed.