Phosphodiesterase-5 inhibitors, such as sildenafil
(for example, Viagra), have revolutionized the
erection problems (erectile dysfunction). But they can
cause life-threatening side effects for anyone who also takes nitroglycerin or
another medicine containing an organic nitrate. This combination can make your
blood pressure fall too low, possibly leading to a
heart attack, or death. Do not take nitrate-containing
medicines up to 24 hours after you take sildenafil (for example, Viagra) or vardenafil
(for example, Levitra), or up to 48 hours after you take tadalafil (for example, Cialis).
or amyl nitrate (sometimes called "poppers"), which are sometimes
Nitrates found in foods are not a danger when taking
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
May 14, 2012
This information is not intended to replace the advice of a doctor.
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