Pill Identification by Imprints: ALKA SELTZER EX S Home Pill Identification by Imprints: ALKA SELTZER EX S 1 result ALKA-SELTZER ES TAB EFF Side 1: ALKA SELTZER EX S Color: White Side 2: Shape: Round Other Popular Drug Imprint 461 80 mg F 1 CDT 251 35 84 NC 100 54 311 CP109 I 15 PC16 E3 or E6 AMBI 448 103 SJ 646 M 37 WATSON 151 D 50 G38 M A11 GG 575 AN897 5 FL 60 AC 108 IP 110 STI 022 PRODRIN TARO 55 SZ 199 GPI A325 G 036 logo and NR 033 44-518 ZC 67 0145 WATSON 892 or WATSON P APO 500 SYPRINE 271 S193 3QD