Cluster headaches are severe headaches that occur in cyclical patterns or clusters. They are marked by intense pain, typically on one side of the head, often accompanied by other symptoms such as nasal congestion and eye watering. These headaches can last from weeks to months, then disappear for a period.

Cluster Headache Disorder FAQ


What causes cluster headaches?

The exact cause of cluster headaches is unknown, but they are thought to be linked to the body's biological clock.

How do I know if I have cluster headaches?

Cluster headaches are characterized by intense pain on one side of the head, occurring in cyclical patterns.

Are cluster headaches common?

While they are less common than migraines, cluster headaches affect a small percentage of the population.

What are common symptoms of cluster headaches?

Symptoms include severe one-sided head pain, watering of the eye, nasal congestion, and sweating.

How long do cluster headache episodes last?

Episodes can last from 15 minutes to 3 hours and may occur multiple times a day.

Can cluster headaches be cured?

There is no cure for cluster headaches, but treatments are available to manage symptoms.

What are the treatment options for cluster headaches?

Treatment can include medications, oxygen therapy, and lifestyle adjustments.

Is there a difference between cluster headaches and migraines?

Yes, cluster headaches are typically shorter but more intense than migraines, with different triggers.

Are cluster headaches hereditary?

There is evidence suggesting a genetic link, as they can run in families.

What triggers cluster headaches?

Common triggers include alcohol, strong odors, and changes in sleep patterns.

Can I prevent cluster headaches?

Prevention may involve medication and avoiding known triggers.

Who is most likely to get cluster headaches?

They commonly affect men aged 20 to 50, but can occur in anyone.

How often do cluster headaches occur in a day?

Some people may experience them several times a day during a cluster period.

What is the difference between episodic and chronic cluster headaches?

Episodic cluster headaches occur in cycles lasting weeks to months; chronic ones happen year-round.

Should I see a doctor for cluster headaches?

Yes, it’s important to see a healthcare professional for a proper diagnosis and treatment plan.

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Information provided by Dr. Nithya Priya Raju. Reviewed by Dr. Mohamed El Khouly