VIAGRA should not be employed with REVATIO or with other PAH therapies made up of sildenafil or almost every other PDE5 inhibitors (which include Adcirca® [tadalafil])VIAGRA should not be utilised with REVATIO or with other PAH solutions that contains sildenafil or some other PDE5 inhibitors (for example Adcirca® [tadalafil])Disclaimer: Medical N