Overview
Covera-HS is a prescription drug approved by the Food and Drug Administration (FDA) to treat hypertension and angina. Covera-HS may be prescribed off-label to prevent migraines. Covera-HS is also known by its drug name, Verapamil.

Covera-HS is a calcium channel blocker. Calcium channel blockers are believed to work by suppressing the action of serotonin, which constricts blood vessels in the head and lowers pain tolerance.

How do I take it?
Covera-HS is generally taken once daily.

Covera-HS comes in tablet form.

Side effects
The FDA-approved label for Covera-HS lists common side effects including headache, dizziness, fatigue, fainting, rash, itching, tingling sensation under the skin, nausea, and constipation.... read more

Rare but serious side effects listed for Covera-HS include heart failure, liver damage, low blood pressure, and bradycardia (slowed heartbeat).

For more details about this treatment, visit:
Covera-HS – RxList
http://www.rxlist.com/covera-hs-drug.htm

Calcium Channel Blockers to prevent migraine headaches – Migraine.com
https://migraine.com/migraine-treatment/calcium...

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