Definition of "verapamil" []

• A vasodilator, C27H38N2O4, that inhibits calcium activity, used in the treatment of hypertension, angina pectoris, and certain cardiac arrhythmias. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Traditional treatments focus on aborting a headache that has started by self-injecting drugs like sumatriptan or dihydroergotamine, which both share chemical and biological similarities with the neurotransmitter serotonin, or preventing attacks altogether with calcium channel blockers like verapamil and steroids like prednisone."
• "A critical role for PfCRT K76T in Plasmodium falciparum verapamil-reversible chloroquine resistance"
• "Then, without telling Dr. Chamberlain, Mr. Williams added verapamil, a blood-pressure medicine that he had read made chemotherapy more effective, by asking another doctor to prescribe it."