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 W 904 AS and logo DC RI20 CZ M 775 1079 C 73 K 111 44 198 L 120 CPC 77 RSV 10 MYLAN 3110 E 404 W 923 54 557 KRC500 4894 708 cor 136 b 775 MP 772 ZGNX 40 mg Benadryl 832 UPSHER-SMITH 0225 PC1 PD 223 TL 384 15/500 logo and 54 C 3 I 2 P-D 915 360 logo and 500-20 KU 181 Andrx 699 C272 ROBAXIN 500