Pill Identification by Imprints: 5550 Home Pill Identification by Imprints: 5550 1 result DEXMETHYLPHENIDATE ER 5 MG CAP Side 1: TEVA Color: Aqua Blue Side 2: 5550 Shape: Oblong Other Popular Drug Imprint WPI 3155 44 226 51A 671 C 2 T 109 DAN 50 NT or EP AT131 BP 321 logo and 2839 ALAVEN LE 500 P 241 447 DISTA 3105 CP 419 RH logo and 5241 D2/500 A06 TENORMIN I 71 GX CL5 logo 9 575 W 516 CL50 61 60 125 FP par 290 OP100 P02 LAN 1231 NP Andrx 700 West-ward 769 L962 652 M RE6