Pill Identification by Imprints: NPS 550 Home Pill Identification by Imprints: NPS 550 4 results ANAPROX DS 550 MG TABLET Side 1: NPS 550 Color: Dark Blue Side 2: Shape: Oblong ANAPROX DS 550 MG TABLET Side 1: NPS 550 Color: Dark Blue Side 2: Shape: Oblong ANAPROX DS 550 MG TABLET Side 1: NPS 550 Color: Dark Blue Side 2: Shape: Oblong NAPROXEN SODIUM DS 550 MG TAB Side 1: NPS 550 Color: Dark Blue Side 2: Shape: Oblong Other Popular Drug Imprint d p W 905 G147 logo and KT E 63 2232 51A logo and LANNETT B911 5030 54 524 144 logo and 040 GS MZ1 93 753 R530 54 706 ella POT 20 TUMS 3 MYLAN 1610 G 252 DAN 5555 OMN E 0932 MYLAN MT 28 50 L 4 CM4 SG 326 L734 Macuvex GG 108 U 135 logo and 5240 TR100 C72 G 1520 NF0 MARGESIC