Patient Resources Library Treatment Warfarin for Refractory Chronic Cluster Headache Last Updated: 5 years ago in Treatment Related Articles Ketamine and Cluster Headache How to Talk to Your Doctor About Treatment Options Oxygen for Cluster Headache Information for Healthcare Providers: Treatment of Cluster Headache Cluster Headache Acute Therapies Clomiphene Citrate for Treatment Refractory Chronic Cluster Headache