What are the signs and symptoms of the condition?
Cluster headaches usually last less than 1 hour and rarely longer than 4 hours. The pain is usually sudden and severe. It may feel like a stabbing sensation on one side of the head. An individual may feel pain in one eye. The eye may swell and turn red.
Someone with a cluster headache usually moves around trying to find a position to ease the pain. Some people even rock back and forth seeking relief or distraction.
Following are some of the other symptoms of cluster headaches:
flushing of the face
pain that spreads to the face and neck
runny nose or nasal congestion
tearing from the eyes