Because there are inflammation and edema of the affected facial nerve at the level of the geniculate ganglion, cannabis is highly effective. The interaction with then phytocannabinoids on the endocannabinoid system is effective in reducing inflammation. Both THC and CBD are effective in reducing inflammation. In many cases, Bell´s palsy does not need treatment as the symptoms clear up right away. But in a study done on 83 adults, 23 different medications were used to treat the symptoms. Medical marijuana was included in the study. Five percent of people never used marijuana before. Out of all the medications, marijuana showed the most promise and brought the most relief.