herbal substitute for viagra

herbal substitute for viagra

free web hosting | free website | Business Web Hosting | Free Website Submission | shopping cart | php hosting
(sildenafil citrate)
Tablets
herbal substitute for viagra : DESCRIPTION

herbal substitute for 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-1Hpyrazolo[
4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methylpiperazine citrate and has the
following structural formula:

herbal substitute for viagra ( Sildenafil citrate )is a white to off-white crystalline powder with a solubility of 3.5 mg/mL in
water and a molecular weight of 666.7. herbal substitute for viagra (sildenafil citrate) is formulated as blue,
film-coated rounded-diamond-shaped tablets equivalent to 25 mg, 50 mg and 100 mg of
herbal substitute for viagra sildenafil for oral administration. In addition to the active ingredient, herbal substitute for viagra sildenafil citrate, each tablet
contains the following inactive ingredients: microcrystalline cellulose, anhydrous dibasic calcium
phosphate, croscarmellose sodium, magnesium stearate, hypromellose, titanium dioxide, lactose,
triacetin, and FD & C Blue #2 aluminum lake.
CLINICAL PHARMACOLOGY

viagra

herbal substitute for viagra Mechanism of Action
The physiologic mechanism of erection of the penis involves release of nitric oxide (NO) in the
corpus cavernosum during sexual stimulation. NO then activates the enzyme guanylate cyclase,
which results in increased levels of cyclic guanosine monophosphate (cGMP), producing smooth
muscle relaxation in the corpus cavernosum and allowing inflow of blood. herbal substitute for viagra Sildenafil has no
direct relaxant effect on isolated human corpus cavernosum, but enhances the effect of nitric
oxide (NO) by inhibiting phosphodiesterase type 5 (PDE5), which is responsible for degradation
of cGMP in the corpus cavernosum. When sexual stimulation causes local release of NO,

herbal viagra
herbal viagra for woman
herbal viagra pill
herpes online prescription viagra
how does viagra work