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 AN 323 E 39 PLIVA 334 AR 100 N 947 551 229 or 230 100 or 300 P297 32 V224 MP 27 S429 500 mg M L54 LK 50 AP212 227 G 342 L 167 CL7 15 XL AA69 286 B105 DIFLUCAN 100 CRIXIVAN SG 175 VALPROIC 250-0364 605 J 248 435 ASPIRIN 98 J 75 HAW 100 10 H9050 1071 5/1000 YS 03 SHIRE 381 54 299