WHAT DOES VIAGRA MEAN?

VIAGRA shouldn't be utilized with REVATIO or with other PAH treatment options that contains sildenafil or another PDE5 inhibitors (such as Adcirca® [tadalafil])headache flushing upset belly abnormal vision, like improvements in colour vision (like having a blue colour tinge) and blurred vision stuffy or runny nose again soreness muscle agony nause