Introduction Cluster headaches are among the most painful types of headaches, often described as “suicide headaches” due to their extreme intensity. Unlike migraines or tension headaches, cluster headaches strike in repetitive cycles — or “clusters” — of frequent attacks followed by remission periods. These headaches are short-lived but excruciating, usually affecting one side of the head and often centered around the eye. Understanding the symptoms, cyclical pattern, and treatment options can help patients manage the condition and reduce the disruption it causes in daily life. What Are Cluster Headaches? Cluster headaches are a neurological disorder involving sudden, severe pain on…