Erectile dysfunction is a problem experienced by male potency. ED affects about 30 millions of men. VIAGRA from Canada works in all cases; it increases the blood flow to the penis. Generic Viagra provides up to 4 hours of erection. You can buy it online. Cards including MasterCard are to be accepted online. Among the rare side effects:
- - excessive duration (priapism);
- - blindness;
- - deafness / tinnitus.
- Do not use the medication if you:
- - take other medicines from pharmacy (for blood pressure);
- - have allergic reaction to Sildenafil. In case of any painful feelings, contact your doctor.