VIAGRA really should not be used with REVATIO or with other PAH therapies that contains sildenafil or some other PDE5 inhibitors (for example Adcirca® [tadalafil]) The most common Unwanted effects of VIAGRA: headache; flushing; upset abdomen; irregular vision, such as changes in shade vision (which include using a blue colour https://fletcherx628uts3.bligblogging.com/profile