<p>The physical compatibility of orphenadrine citrate has only been reported in 0.9% sodium chloride in combination with diclofenac. The objective of this study was to investigate the physical compatibility of orphenadrine citrate mixed with 0.45% Sodium Chloride (0.45% NaCl), Lactated Ringer's (LR), and Plasma-Lyte A (PLA).</p>