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How does verapamil (Calan, Isoptin) prevent cluster headaches?

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This drug is also used to treat high blood pressure and chest pain. You may hear your doctor call it a calcium channel blocker. Verapamil cuts down on how many headaches you get. It can take a while to start working. So in the meantime, you may also need to take other preventive medicines that work faster, such as steroids.

From: Cluster Headache Treatment WebMD Medical Reference

SOURCES:

National Headache Foundation: "Cluster Headaches."

Ashkenazi, A. , February 2011. Headache

UpToDate: "Cluster headache: Treatment and prognosis."

MedlinePlus: "Verapamil."

Reviewed by Christopher Melinosky on April 4, 2020

SOURCES:

National Headache Foundation: "Cluster Headaches."

Ashkenazi, A. , February 2011. Headache

UpToDate: "Cluster headache: Treatment and prognosis."

MedlinePlus: "Verapamil."

Reviewed by Christopher Melinosky on April 4, 2020

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How does topiramate (Topamax) prevent cluster headaches?

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