Doxazosin is a medication that is used to treat high blood pressure (hypertension) and symptoms of an enlarged prostate gland (benign prostatic hyperplasia). It belongs to a class of drugs called alpha-blockers and is primarily used to relax the muscles in the prostate and blood vessels, leading to improved urine flow and reduced blood pressure. In this document, we will discuss the dosage and administration of doxazosin 8mg.