Low Blood Pressure and Lightheadedness – an effect of CBD that may seem somewhat counterintuitive, an almost immediate (though small) decrease in blood pressure has been reported at the exposure to high doses, causing the associated lightheadedness, albeit not for long periods. Nevertheless, it could be significant for individuals taking blood pressure medication.

While CBD and marijuana have been used for centuries for many remedies, the role CBD can play in lessening the severity and number of seizures in those diagnosed with epilepsy came into the spotlight in the early 2000’s. That’s when the Figi family began looking for a way to treat their daughter Charlotte’s seizures. At the time, she was suffering upwards of 300 seizures per week. (8)
Putting this in perspective, eating a portion of grapefruit would have a similar effect on the aforementioned liver enzymes. So neutralizing P450 enzymes should be viewed as a minor side effect of cannabidiol. However, if you are taking pharmaceutical drugs and wish to take CBD, you should discuss any potential complications regarding reduced P450 enzyme activity with your doctor and/or pharmacist.