The concomitant administration on the protease inhibitor ritonavir considerably raises serum concentrations of sildenafil (eleven-fold increase in AUC). If VIAGRA is prescribed to people using ritonavir, warning must be employed. Data from topics exposed to superior systemic amounts of sildenafil are limited. The drug info contained herein is matter to https://collini2075.bloguetechno.com/not-known-details-about-viagra-69289517