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 WW969 EC RD 73 MYLAN 2002 PERCOGESIC 4810 bull symbol 921 Watson 526 Watson 369 RX616 K 23 G 242 logo and 500-20 WAR 5 10 300 RU10 COZAAR H568 A25 GX CJ7 5382 ALTACE NORVASC 10 R719 B 073 logo and H9 A94 139 Ocuvel DIDREX 50 NC 667 01 4I VP 021 GLYNASE 1.5 I31 A20 RX 773 0 8