The Confusing Terminology of "Medical Cannabis" and Cannabinoid Products.

With the expansion of the "medical cannabis" or "medical marijuana" market, there is significant confusion surrounding cannabinoid terminology. This commentary provides definitions for cannabinoid terminology, examines US Food and Drug Administration (FDA)-approved and non-FDA-approved medications with cannabinoids as the main ingredient, and discusses how vague terminology may lead to a public misperception regarding the lack of evidence-based medical indications for cannabis.