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 PX 4 AC 132 5412 APTALIS 20 54 337 T500 logo 0023 APO 116 720 1/2 SZ 225 332 NEXIUM 40mg WW 172 MYLAN TM 100 M A7 Z45 44-542 395 N 10 M 944 SOMA N 100 Z 3 MYLAN 6320 WP 0321 230 547 669 ML 37 W logo and 01A MYLAN 152 1033 OXC 150 E3 or C2 CTI 223 CARDIZEM BNVA GX CE5 E 221