case_images: PMC10874239_01
case_images: Change in concentrations of tacrolimus, nirmatrelvir, and ritonavir.
case_images: cureus-0016-00000052506-i01.jpg
case_images: PMC10874239_01_cureus-0016-00000052506-i01.jpg
case_images: FIG1
case_images: However, the blood concentration of tacrolimus was found to be 77.1 ng/mL on the day of admission (Figure 1).