Pill Identification by Imprints: EK 25 Home Pill Identification by Imprints: EK 25 3 results EFFER-K 25 MEQ TABLET EFF Side 1: EK 25 Color: Yellow Side 2: Shape: Round EFFER-K 25 MEQ TABLET EFF Side 1: EK 25 Color: White Side 2: Shape: Round EFFER-K 25 MEQ TABLET EFF Side 1: EK 25 Color: Red Side 2: Shape: Round Other Popular Drug Imprint E99 667 logo and 3 R 5 T600 MYLAN 184 L544 SG 326 AN 2 M 7 E1 or E2 INCY 8N C133 3670 APO 014 logo and 49 MYLAN A M133 NT 26 8310 467 45 78 E 19 NPS 550 Alora 0.025mg/day estradiol A226 2172 S252 P 1 R789 172 L 167 M 221 GG 109 V209 RP133 NORPRAMIN 25 L123 Climara (estradiol) 0.1mg/day