Cluster Headache Herbal Medication Provides Relief Cluster headaches can be very painful, life derailing experiences. With pain that comes on like a freight train and promises to return, this condition is one that many people find themselves begging for medical assistance with. Symptoms of this relatively unusual condition include stabbing pain, extreme pressure, light sensitivity and nausea. Unlike migraines, clusters tend to come on fast, strike hard and then leave. Only, they return again ... Click here to read more