Cluster Headaches: Symptoms & Patterns
Cluster headaches cause severe, one-sided head pain, often around the eye. They typically last from 15 minutes to 3 hours. Other symptoms may include:
- Watery eyes
- Runny nose
- Nasal congestion
- Drooping eyelid
- Smaller pupil in the affected eye
- Facial sweating
Cluster headaches often occur in patterns, with attacks happening daily for weeks or months, followed by periods without headaches