AKN / Humans / HeadachesPrimary Headaches

Learn about Cluster Headaches

What is a cluster headache?
A cluster headache is a type of primary headache
A cluster headache occurs in cyclical patterns or cluster periods. 
A cluster headache is one of the most painful types of headache

What does a cluster headache do?
A cluster headache commonly awakens a person in the middle of the night with intense pain in or around one eye on one side of the head

When does a cluster headache happen?
A cluster headache strikes quickly, usually without warning, although a person might first have migraine-like nausea and aura. (1)

What causes a cluster headache?

What are common symptoms of a cluster headache?
Excruciating pain that is generally situated in, behind or around one eye, but may radiate to other areas of your face, head and neck (1)
One-sided pain (1)
Restlessness (1)
Excessive tearing (1)
Redness of your eye on the affected side (1)
Stuffy or runny nose on the affected side (1)
Forehead or facial sweating on the affected side (1)
Pale skin (pallor) or flushing on your face (1)
Swelling around your eye on the affected side (1)
Drooping eyelid on the affected side (1) 
sensitivity to light and sound (1)

How long does a cluster headache last?
A cluster period generally lasts for several weeks to months. (1)

1. https://www.mayoclinic.org/diseases-conditions/cluster-headache/symptoms-causes/syc-20352080