Pill Identification by Imprints: H 501 Home Pill Identification by Imprints: H 501 4 results HYDROXYZINE HCL 25 MG TABLET Side 1: H 501 Color: White Side 2: Shape: Round HYDROXYZINE HCL 25 MG TABLET Side 1: H 501 Color: White Side 2: Shape: Round HYDROXYZINE HCL 25 MG TABLET Side 1: H 501 Color: White Side 2: Shape: Round HYDROXYZINE HCL 25 MG TABLET Side 1: H 501 Color: White Side 2: Shape: Round Other Popular Drug Imprint FLUOXETINE 10 mg 3973 TL 172 ML 44 E 171 1009 WRF 2 E300 E 114 LANNETT M205 GG 507 N024 AR 100 HP 46 F 84 LIMBREL 52002 MP 101 LILLY 4115 210 311 logo and 182 L355 T 50 Z or M 5 7 MD G 55 MYLAN 271 QP 146 93 29 ML55 970 810 SYPRINE OP150 A 41 CL47 WPI S408