I’m sorry that you or your loved ones are being forced to suffer through tinnitus. Although there are anecdotal cases of having tinnitus patients being successfully treated with cannabis products for symptom relief, the following prospective randomized control trial using a rodent model shows cannabis increasing, not decreasing the incidence of tinnitus : https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4364172/ However, if you still would like to explore cannabinoids as possible agents in dealing with tinnitus, I might recommend trying products with some of the lesser known/lesser "tested" compounds (i.e. CBN, THCA, etc). According to the literature, lessening the amount of caffeine, alcohol, and/or tobacco may be helpful. The literature also mentions Vitamin A & Niacin also potentially helping with tinnitus. Good luck and please let us know how things progress in the future.