Premarin (conjugated estrogens tablets) for oral administration contains a mixture of conjugated estrogens obtained exclusively from natural sources, occurring as the sodium salts of water-soluble estrogen sulfates blended to represent the average composition of material derived from pregnant mares' urine. It is a mixture of sodium estrone sulfate and sodium equilin sulfate. It contains as concomitant components, as sodium sulfate conjugates, 17α-dihydroequilin, 17α-estradiol, and 17β- dihydroequilin.
Excipients/Inactive Ingredients: Tablet cores: Lactose Monohydrate Spray Dried, Hypromellose 2208, K100M, Microcrystalline Cellulose, Magnesium stearate, Purified water.
Tablet coating: Sucrose, Microcrystalline Cellulose, Hydroxypropyl Cellulose, Hypromellose, 2910, E6, Hypromellose 2910, E15, Polyethylene Glycol 400, Purified water, Opadry Green 15B21511, Opadry Maroon 03B16083, Carnauba Wax, Opacode WB NS-78-18011, White Ink.