Pill Identification by Imprints: 538 Home Pill Identification by Imprints: 538 5 results CARBIDOPA-LEVODOPA 10-100 TAB Side 1: 538 Color: Dark Blue Side 2: logo Shape: Round CARBIDOPA-LEVODOPA 10-100 TAB Side 1: 538 Color: Dark Blue Side 2: logo Shape: Round CARBIDOPA-LEVODOPA 10-100 TAB Side 1: 538 Color: Dark Blue Side 2: logo Shape: Round POTASSIUM CITRATE ER 15 MEQ TB Side 1: 538 Color: Tan Side 2: Shape: Oblong RILUZOLE 50 MG TABLET Side 1: 538 Color: White Side 2: Shape: Round Other Popular Drug Imprint barr 15 mg M PD1 P-O TR50 A2 359 I31 7152 54 527 DROXIA 6336 LITHOBID 300 LBH 10 mg E700 R471 680 KU 119 M07 6.0 54 122 M 127 Z622 LZ P 33 Fentanyl 12 mcg/hr BHCP 60 99 KU128 C2 A-295 IMITREX 50 I85 170 D2/1000 PH 93 7334 G433 C C+C PD 157 logo and 150 245 or 302 L429