Clinical Pharmacology Details


Prazosin Hcl


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Indications & Dose:

INDICATIONS:


Hypertension, benign prostatic hypertrophy,* -Raynaud’s vasospasm,* refractory congestive heart failure*


DOSE


Adults


Congestive cardiac failure:


Initially 500mcg 2-4 times daily, increasing to 4mg daily in divided doses, maintain; 4-20mg in divided doses.


Hypertension:


Initially 0.5mg preferably at bed time (1st dose may cause collapse due hypotension). Increase to 1mg 2-3 times daily after 3-7 days. maint. 4-20mg daily in divided doses.


Raynaud’s syndrome :


Initially 500mcg 2 times daily, increased in necessary after 3-4 days to usual maintainance 1- 2 mg twice daily.


BPH:


Initially 500mcg bid for 3-7 days, adjust subsequently according to response. Max. maintenance 2mg bid.


Child


• PO 0.5-7 mg tid

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