[33] Studies on the effects of sildenafil when used recreationally are limited, but suggest it ba?makl?k little effect when used by those who do hami? have erectile dysfunction. In one study, a 25 mg dose was shown to cause no significant change in erectile quality, but did reduce the postejaculatory refractory time.[34] This study also noted a si

'Lifesaving medicines' such bey those used to treat cancer, malaria, HIV and other serious illnesses;These statements are issued per manufacturing site and per active substance and ensure that standards of good manufacturing practice (GMP) equivalent to those in force in the EU are upheld. A number of countries have already committed to issuing wri