Drug Name : Sildenafil
Sildenafil(Revatio) generic Caverta (25 mg) is a phosphodiesterase type 5 (PDE5) inhibitor, prescribed for erectile dysfunction (impotence). Erectile dysfunction is the inability to achieve or maintain an erection long enough to perform intercourse.
You can get generic Viagra in 25 mg, 50 mg, or 100 mg for $10 per pill. Branded Viagra costs $90 per pill.
In order for VIAGRA to be effective, sexual stimulation is required. The recommended dose is 50 mg taken as needed approximately one hour before sexual activity. Based on efficacy and tolerability, the dose may be increased to 100 mg or decreased to 25 mg. The maximum recommended dose is 100 mg.