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 018 logo and 073 75 50 SZ 198 B75 M31 M C E 140 S 111 DM1 Z 5 PREMARIN 0.45 S 25 2103 V I 03 RH 046 44 585 par 117 647 GG 771 E 19 T 16 OB01 M MC1 S EC-NAPROSYN 813 TUMS SD VP 012 GG 168 SZ 438 L 5 2088 V logo and 2890 LDK 150MG ALVA G 4960 7 11 L 239 AC54