DS-1001b Options
quinupristin/dalfopristin will increase levels of erythromycin lactobionate by lowering metabolism. Contraindicated. Threat of prolonged QTc interval.quinupristin/dalfopristin will increase the degree or influence of vardenafil by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Modify Therapy/Keep an eye on Closely. Vardenafil dose may pos