Minipress, Prazin (prazosin) dosing | 合法藥品大搜索

Hypersensitivity

Risk of syncope; has no relation to plasma prazosin concentration; if syncope occurs, place patient in the recumbent position and treat supportively as necessary

Discontinue if angina symptoms occur or worsen

May cause CNS depression, which may impair physical or internal abilities; use caution when performing tasks that require mental alertness

May impair ability to drive/perform hazardous tasks due to dizziness

History of narcolepsy - May exacerbate

Cataract surgery - Linked to intraoperative floppy iris syndrome

Concomitant administration with PDE-5 inhibitor (eg, sildenafil) can result in additive blood pressure-lowering effects and symptomatic hypotension; initiate PDE-5 inhibitor therapy at lowest dose

First dose effect may occur, causing a sudden and drastic fall in blood pressure after administration of the first dose.

May exacerbate heart failure

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