What it's used for
Prazosin hydrochloride is used to treat hypertension and lower blood pressure, which reduces the risk of fatal and nonfatal cardiovascular events like strokes and heart attacks.
Source: U.S. FDA-approved prescribing information (openFDA).
Typical dosing
The initial dose is 1 mg two or three times a day, and the maintenance dose may be slowly increased up to a total daily dose of 20 mg in divided doses.
Dosing shown here is the general FDA-labeled range. Your prescribing clinician determines the exact dose, form, and schedule for you — this is not a substitute for medical advice.
Boxed warning / key safety info
This medication may cause sudden fainting or loss of consciousness due to an excessive drop in blood pressure when standing up.
Common side effects
The most frequent side effects are dizziness, headache, drowsiness, lack of energy, weakness, palpitations, and nausea.
Covered strengths on the Tab $0 list
Covered at $0 with an active Tab membership when filled at a participating pharmacy nationwide or through mail order. A licensed clinician must prescribe the medication.
Related medications
Other heart, blood pressure & cholesterol medications covered at $0 with an active Tab membership.