Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A drug that inhibits phosphodiesterase, C23H32N6O4S, used in its hydrochloride form to treat erectile dysfunction by increasing the level of cyclic GMP, which increases blood flow to the erectile tissues.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A piperazine drug used to treat erectile dysfunction.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun virility drug (trade name Levitra) used to treat erectile dysfunction in men

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[var-, origin unknown + (sil)denafil.]

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Examples

  • While there are several drugs to avoid (see here for full list) while using all alpha blockers, one type in particular is erectile dysfunction drugs, like sildenafil (Viagra), tadalafil (Cialis) or vardenafil (Levitra) since the combination can cause dangerously, or even life-threatening, low blood pressure.

    Flomax ads and football: Know the real score 2010

  • While there are several drugs to avoid (see here for full list) while using all alpha blockers, one type in particular is erectile dysfunction drugs, like sildenafil (Viagra), tadalafil (Cialis) or vardenafil (Levitra) since the combination can cause dangerously, or even life-threatening, low blood pressure.

    Flomax ads and football: Know the real score 2010

  • Yes I agree with you! buy cialis vardenafil December 3rd, 2008 at 9: 07 pm

    Hollywood Dame » Blog Archive » Jennifer Aniston December Vogue Article and Cover Photo 2008

  • Tests by the FDA revealed that Zencore Plus contained benzamidenafil, a compound similar to active ingredients in erectile dysfunction medicines, such as sildenafil (Viagra), tadalafil (Cialis), and vardenafil (Levitra).

    Zencore Plus recalled due to life-threatening risk 2009

  • Tests by the FDA revealed that Zencore Plus contained benzamidenafil, a compound similar to active ingredients in erectile dysfunction medicines, such as sildenafil (Viagra), tadalafil (Cialis), and vardenafil (Levitra).

    Zencore Plus recalled due to life-threatening risk 2009

  • True Man contains the same analog or an analog of vardenafil, the active ingredient Levitra.

    FDA Calls for Recall of Erectile Drug | Impact Lab 2007

  • Affectionately known as "The Weekender," Cialis differs from its two predecessors, sildenafil (Viagra) and vardenafil (Levitra) by having a chemical structure that prolongs its effect for up to 36 hours.

    Cialis AdWatch—deconstructing the ED drug ad 2008

  • Affectionately known as "The Weekender," Cialis differs from its two predecessors, sildenafil (Viagra) and vardenafil (Levitra) by having a chemical structure that prolongs its effect for up to 36 hours.

    Cialis AdWatch—deconstructing the ED drug ad 2008

  • Date: March 27, 2007 8: 57 AM cialis vs viagra cialis levitra vardenafil

    Horses Mouth March 16, 2007 11:25 AM 2007

  • Viagra's primary competitors on the market are tadalafil Cialis, and vardenafil

    Endings MN Politics Guru 2007

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