Help us answer these Can you take doxazosin for high blood pressure?Is doxazosin non selective alpha blocker?What is doxazosin mesylate tb? Post question any question to the WikiAnswers community: Copyrights: Dental Dictionary. Six-month-old child accidentally received crushed mg tablet of CARDURA and was reported to have been drowsy. The most likely manifestation of overdosage would be hypotension, for which the usual treatment would be intravenous doxazosin cumparare infusion of fluid. Cerebrovascular accidents, postural dizziness, bradycardia, cardiac arrhythmias, and myocardial infarction have been reported in postmarketing studies. It is effective when used alone or in combination with other blood pressure medications, such as diuretics, beta-blocking medications, calcium channel blockers or ACE inhibitors. Last Updated: 07 06 2006 Email this Article Print this Article IM this Article Syndication: diggdel. Tell your doctor immediately if any of these unlikely but serious side effects occur: vision changes, fainting, shortness of breath, weakness, pounding irregular heartbeat, swelling of hands feet, anxiety.