April 2021, Episode 92: Cannabis is used by many people with migraine and other headache disorders to help control their symptoms. In the last few years, some studies have shown it to be effective for some people. Recent data has emerged showing that it may have a rebound effect in patients with migraine. Dr. Lindsay Weitzel discusses this data with Dr. Tim Smith. How do we know if cannabis or one of our other medications is causing us to have rebound or medication overuse headache?