HOW VIAGRA CAN SAVE YOU TIME, STRESS, AND MONEY.

The concomitant administration of the protease inhibitor ritonavir substantially will increase serum concentrations of sildenafil (11-fold rise in AUC). If VIAGRA is prescribed to patients using ritonavir, caution needs to be applied. Info from subjects subjected to large systemic amounts of sildenafil are minimal.Viagra isn’t approved to be used