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 C280 MYLAN MT 21 5014 V A 171 RIFAMATE West- ward MENTHOL RD 73 4839 V C 1 STO 100 RE 22 ML 44 SZ 469 2231 268/40 627 A-009 15 3171 V N 136 54 557 MACRODANTIN 100 mg GP325 logo and 665 44 159 B135 logo and 067 MP 444 OS 212 C8 1033 MX32 261 SD 9 54 150 L546 H 147 SG 319 93 7438 8118