Terazosin Dosage

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Usual Adult Dose for:

Additional dosage information:

Usual Adult Dose for Hypertension

Initial dose: 1 mg orally once a day at bedtime
Maintenance dose: 1 to 5 mg orally once a day.
Maximum dose: 20 mg per day.

Usual Adult Dose for Benign Prostatic Hyperplasia

Initial dose: 1 mg orally once a day at bedtime.
Maintenance dose: Increased in a stepwise fashion to 2 mg, 5 mg, or 10 mg once a day to achieve desired improvement of symptoms.

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available

Dose Adjustments

If terazosin is discontinued for several days or longer, therapy should be reinstituted using the initial dosing regimen.

Precautions

Safety and effectiveness have not been established in pediatric patients (less than 18 years of age).

Dialysis

Hemodialysis: Adjustment not recommended
Peritoneal dialysis: Data not available

Other Comments

Dosage reduction may be needed if adding a diuretic or other antihypertensive agent.

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