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What are corticosteroids and how do they treat cluster headaches?

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Corticosteroids are a type of steroid, but they don't make your muscles bigger. These drugs may help if your headaches usually crop up during a period of less than 3 weeks. They work faster than some other preventive options.

They come as pills, a shot, or through an IV. Your doctor will probably give them to you for a short while. If you take them for too long, they can cause weight gain, high blood pressure, high blood sugar, and other side effects.

SOURCES:

National Headache Foundation: "Cluster Headaches."

Ashkenazi, A. , February 2011. Headache

UpToDate: "Cluster headache: Treatment and prognosis."

Reviewed by Christopher Melinosky on April 04, 2020

SOURCES:

National Headache Foundation: "Cluster Headaches."

Ashkenazi, A. , February 2011. Headache

UpToDate: "Cluster headache: Treatment and prognosis."

Reviewed by Christopher Melinosky on April 04, 2020

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What is lithium and how does it treat cluster headaches?

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