281 In the index

Sildenafil SIL

The original FDA-approved medication (Viagra) for erectile dysfunction and a lung-blood-pressure condition. Extensive human research confirms its effectiveness and safety for both uses, though it shouldn't be combined with certain heart medications.

Also known as Viagra, Aphrodil, Vizarsin, Sildenafilo, Patrex, Sildenafil teva, Sildenafil actavis, Sildenafil ratiopharm

Effects Endurance Libido

Routes Oral

Legal status Prescription drug

WADA Not listed

3D Molecular Structure of C₂₂H₃₀N₆O₄S

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Chemistry

Formula: C22H30N6O4S
Molar mass: 474.6
CAS: 139755-83-2
PubChem CID: 135398744
IUPAC name: 5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one
InChIKey: BNRNXUUZRGQAQC-UHFFFAOYSA-N

Reported dosing

Approved label

What has been reported in the literature and by users. This is a record of what is done, not a recommendation.

Typical dose 50 mg

Reported range 25-100 mg, as needed

Route Oral

Frequency As needed, no more than once daily

Duration As needed (not a chronic daily dose, except the low-dose pulmonary hypertension formulation)

FDA-approved (Viagra for erectile dysfunction; Revatio for pulmonary arterial hypertension, dosed differently).

Where this comes from FDA prescribing information

These figures are recorded for reference and are not a recommendation. Dosing is a decision for you and a clinician.