Cluster Headache: Clinical Overview

Cluster headaches are one of the most painful conditions, causing severe unilateral pain around one eye, accompanied by tearing, nasal congestion, and restlessness. They occur in cyclical patterns (clusters) and respond to oxygen therapy and triptans.

Key Symptoms of Cluster Headache

Treatment Options for Cluster Headache

Complete Cluster Headache Clinical Guide

Related Symptom Combinations

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Medical References

Content on this page is informed by evidence-based clinical sources including: