It’s expected this would only apply to a very small number of people in England.
They tend to only contain very small amounts of CBD, so it’s not clear what effect they would have.
If the above does not apply to you, do not ask a GP for a referral for medical cannabis.
Will the laws on cannabis be relaxed?
Epidyolex is a highly purified liquid containing CBD (cannabidiol).
And some cannabis-based products are available on prescription as medicinal cannabis. These are only likely to benefit a very small number of patients.
If you experience any side effects from medical cannabis, report these to your medical team. You can also report them through the Yellow Card Scheme.
The specialist will discuss with you all the other treatment options first, before considering a cannabis-based product.
Both Bonn-Miller and Ward stress that it’s up to the consumer to be well-educated about the material they’re purchasing and the research that’s out there. “The companies that are creating [cannabis oils] are offering lots of claims about its use that are not necessarily substantiated by any research,” Bonn-Miller said. So “I think there needs to be, from a consumer standpoint, a lot of vigilance,” he added.
It’s a little more uniform when the product is absorbed by smoking or vaping the oil, Ward said. But, “there are obvious concerns about smoking something.” A 2007 review published in the journal JAMA Internal Medicine found that smoking marijuana resulted in similar declines in respiratory system health as smoking tobacco. A similar review published in 2014 in The American Journal of Cardiology found that marijuana smoke inhalation can increase the chances of heart attack or stroke. Neither review analyzed the effects of vaping cannabis oil alone, so it’s unclear if it has the same health risks as smoking other marijuana products.
The side effects and risks involved with consuming marijuana-based products aren’t clear, either, Bonn-Miller said. It’s important to “determine cannabinoids that are useful therapeutically while understanding and using cannabinoids that are associated with less risk,” he said. At least with CBD, he said, it doesn’t appear to have the potential for addiction. That’s different from THC, which has been associated with addiction, he said, and negative side effects, including acute anxiety.
Why medical experts are hesitant about CBD
Simply put, cannabis oil is the concentrated liquid extract of the marijuana plant, Cannabis sativa.
The popularity of medical marijuana is soaring, and among the numerous products consumers are seeking are CBD, or cannabis oils.
It’s important to know that the research in this area is in its infancy, partly because we haven’t really understood much about CBD until relatively recently,” said Marcel Bonn-Miller, an adjunct assistant professor at the University of Pennsylvania Perelman School of Medicine. He pointed out that the classification of marijuana as a Schedule 1 drug by the DEA makes it difficult to get material to use in laboratory studies. Schedule 1 drugs have a high potential for abuse, according to the DEA, and are illegal under federal law.
However, Bonn-Miller told Live Science that he thinks cannabis research is on the upswing. “If we flash forward five years I think you’ll see more studies,” he said. Those studies could reveal more conditions that CBD may be helpful for and may also reveal that some of the reasons why people say they use CBD oil are not supported by the science but are instead a placebo effect. “And that’s why we need to do the studies,” he said.