Nifedipine and diltiazem are calcium channel blockers.
They are usually taken as pills to lower blood pressure. But these medicines can also help heal anal fissures.
A gel form of these medicines is best. When used as a gel directly on the anus, these medicines work as well as nitroglycerin cream.1 The gel form of these medicines also has fewer side effects than the pill form.
cause of fissures is increased tension (called resting pressure) and spasm in
the internal anal sphincter, one of two muscles that control the anus. These
medicines work by relaxing the smooth muscle, allowing the fissure to
Chong PS, Bartolo DCC (2008). Hemorrhoids and fissure in ano. Gastroenterology Clinics of North America, 37(3): 627–644.
May 15, 2012
Anne C. Poinier, MD - Internal Medicine
& C. Dale Mercer, MD, FRCSC, FACS - General Surgery
How this information was developed to help you make better health decisions.
To learn more visit Healthwise.org
© 1995-2013 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
We are happy to take your appointment request over the phone, or, you may fill out an online request form.
Disclaimer: The information on this website is for general informational purposes only and SHOULD NOT be relied upon as a substitute for sound professional medical advice, evaluation or care from your physician or other qualified health care provider.