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  2. Is Sildenafil Safe for This Common Male Problem? - AOL

    www.aol.com/lifestyle/sildenafil-safe-common...

    After further trials, sildenafil citrate was approved by the Food and Drug Administration (FDA) in 1998 as the active ingredient in brand name Viagra, now a very well-known drug for ED. For most ...

  3. Things You Probably Don't Know About Viagra (Like What ... - AOL

    www.aol.com/things-probably-dont-know-viagra...

    Sildenafil Drug Interactions. A word on sildenafil drug interactions: Mixing antihypertensive prescription drugs (hypertension meds) with Viagra may cause low blood pressure. Since the medication ...

  4. What Happens If You Take Viagra and You Don't Need It? - AOL

    www.aol.com/happens-viagra-dont-105800158.html

    If you struggle with ED, drugs like Viagra®, sildenafil, tadalafil, and other FDA-approved medications could help with your performance. But if you’re not prescribed one of these meds, taking ...

  5. Sildenafil - Wikipedia

    en.wikipedia.org/wiki/Sildenafil

    Sildenafil's brand name, Viagra, is widely recognized in popular culture, and the drug's association with treating erectile dysfunction has led to its recreational use. [33] The reasons behind such use include the belief that the drug increases libido, improves sexual performance, [ 33 ] or permanently increases penis size. [ 34 ]

  6. PDE5 inhibitor - Wikipedia

    en.wikipedia.org/wiki/PDE5_inhibitor

    Chemical structure of sildenafil (Viagra), the prototypical PDE5 inhibitor. A phosphodiesterase type 5 inhibitor (PDE5 inhibitor) is a vasodilating drug that works by blocking the degradative action of cGMP-specific phosphodiesterase type 5 (PDE5) on cyclic GMP in the smooth muscle cells lining the blood vessels supplying various tissues.

  7. cGMP-specific phosphodiesterase type 5 - Wikipedia

    en.wikipedia.org/wiki/CGMP-specific_phosphodi...

    8654 242202 Ensembl ENSG00000138735 ENSMUSG00000053965 UniProt O76074 Q8CG03 RefSeq (mRNA) NM_033437 NM_001083 NM_033430 NM_153422 RefSeq (protein) NP_001074 NP_236914 NP_246273 NP_700471 Location (UCSC) Chr 4: 119.49 – 119.63 Mb Chr 3: 122.52 – 122.65 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Cyclic guanosine monophosphate-specific phosphodiesterase type 5 is an enzyme (EC ...

  8. 4 Common ED Pills: Weighing the Pros & Cons of Each - AOL

    www.aol.com/4-common-ed-pills-weighing-141800609...

    The Best ED Medication for Men: Pros & Cons of Top ED Pills. Over the last 25 years, (ED) medications like Viagra and Cialis have become common fixtures in bedrooms around the world.

  9. Discovery and development of phosphodiesterase 5 inhibitors

    en.wikipedia.org/wiki/Discovery_and_development...

    Sildenafil is a prototype of PDE5 inhibitors that Pfizer launched as Viagra. It was approved by the Food and Drug Administration (FDA) in 1998 as the first oral medicine for erectile dysfunction. Later, in the year 2005, it was approved for the treatment of pulmonary arterial hypertension. [ 2 ]