Pill Identification by Imprints: M 138 Home Pill Identification by Imprints: M 138 1 result STAVUDINE 40 MG CAPSULE Side 1: M 138 Color: Light Orange Side 2: M 138 Shape: Oblong Other Popular Drug Imprint CAP DM S 180 33 S 225 CFZ US 12 265/10 Z16 MYLAN CF 45 Centrix 133 Q400 609 LK 25 MYLAN 6088 IP 178 UCB 581 BI 6 HP 288 ADVIL PM MB-111 Tofranil-PM 125 mg Correctol E 18 TL388 ML 53 G232 300 mg L068 Lofibra 200 mg TCL083 WW 951 ATN US 13 CLOM 50 ALTO 1252 214 or 215 logo and 2416 CL91 RPR 202