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Each prolonged-release tablet contains 0.400 mg tamsulosin hydrochloride, equivalent to 0.367 mg tamsulosin.
Tamsulosin hydrochloride is an antagonist of alpha1A adrenoceptors in the prostate.
Tamsulosin hydrochloride is (-)-(R)-5-[2-[[2-(o-Ethoxyphenoxy)ethyl] amino]propyl]-2-methoxybenzenesulfonamide monohydrochloride. Tamsulosin hydrochloride is a white crystalline powder that melts with decomposition at approximately 230°C. It is sparingly soluble in water and methanol, slightly soluble in glacial acetic acid and ethanol, and practically insoluble in ether.
The empirical formula of tamsulosin hydrochloride is C20H28N2O5S HCl. The molecular weight of tamsulosin hydrochloride is 444.98.
Excipients/Inactive Ingredients: Each prolonged-release tablet contains the following inactive ingredients: Hypromellose, Microcrystalline cellulose, Carbomer, Colloidal anhydrous silica, Iron oxide red.
