Samtidig administration med REYATAZ/ ritonavir kan medføre øgede koncentrationer af sildenafil og stigninger i sildenafil- relaterede bivirkninger, inklusive hypotension, synsforstyrrelser og priapisme.
Co-administration with REYATAZ/ ritonavir may result in increased concentrations of sildenafil and an increase in sildenafil-associated adverse events, including hypotension, visual changes, and priapism.