Drugs and impotence

Over 200 commonly prescribed drugs are known to cause or contribute to impotence, including drugs for high blood pressure, heart medications, antidepressants, tranquilizers, and sedatives. A number of over-the-counter medications also can lead to impotence. Long-term use of alcohol and illicit drugs may affect the vascular and nervous systems and are associated with erectile dysfunction.

Yes alcohol cause impotence, and this is of course just one of the many different reasons why you should avoid drinking