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