Pill with imprint N 590 1 is White, Round and has been identified as Doxazosin Mesylate 1 mg. It is supplied by Teva Pharmaceuticals USA.

Doxazosin is used in the treatment of Benign Prostatic Hyperplasia; High Blood Pressure; Raynaud's Syndrome and belongs to the drug classes alpha-adrenoreceptor antagonists, antiadrenergic agents, peripherally acting. Risk cannot be ruled out during pregnancy. Doxazosin 1 mg is not a controlled substance under the Controlled Substances Act (CSA).