VIAGRA�, an oral therapy for erectile dysfunction, is the citrate salt of sildenafil, a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5).
Sildenafil citrate is designated chemically as 1-[[3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo [4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methylpiperazine citrate
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What is VIAGRA ???
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How do I know if it will work for me ???
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A review of population subgroups demonstrated efficacy regardless of baseline severity, etiology, race and age. VIAGRA� was effective in a broad range of ED patients, including those with a history of coronary artery disease, hypertension, other cardiac disease, peripheral vascular disease, diabetes mellitus, depression, coronary artery bypass graft (CABG), radical prostatectomy, trans-urethral resection of the prostate (TURP) and spinal cord injury, and in patients taking anti-depressants/anti-psychotics and anti-hypertensives/diuretics.
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