Pill Identification by Imprints: 555 606 Home Pill Identification by Imprints: 555 606 3 results MEGESTROL 20 MG TABLET Side 1: 555 606 Color: White Side 2: b Shape: Round MEGESTROL 20 MG TABLET Side 1: 555 606 Color: White Side 2: b Shape: Round MEGESTROL 20 MG TABLET Side 1: 555 606 Color: White Side 2: b Shape: Round Other Popular Drug Imprint 54 883 250 EP 138 A CS EP 135 ZYV MP 474 2 KLONOPIN OMEGA-RX 749 44-470 A 39 M 943 PAL 9 LCE 75 R719 EP 140 54 447 H10/325 CL 40 MP 573 680 SG 174 logo and 256 EFF Lilly logo and 5034 GG 952 L421 C 93 M GP10 G72 93/7440 ucb 1000 GG 451 GG 622 G 150 mg EL 15 L236 VASOTEC