The smart Trick of viagra That Nobody is Discussing
Other forms of sildenafil (the active drug in Viagra) is available in other strengths, like 20 mg. But Viagra only comes in the 3 strengths shown earlier mentioned.Scientific data have proven that co-administration with saquinavir or erythromycin enhanced plasma amounts of sildenafil by about three fold [see DRUG INTERACTIONS and CLINICAL PHARMACOL