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Indications:

Treatment of symptoms of benign prostatic hyperplasia (BPH). OFF-LABEL:
Treatment of bladder outlet obstruction or dysfunction. To facilitate expulsion of
ureteral stones (distal).

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Adverse Effects:

Frequent (9%?7%): Dizziness drowsiness. Occasional (5%?3%): Headache
anxiety insomnia orthostatic hypotension. Rare (Less Than 2%): Nasal
congestion pharyngitis rhinitis nausea vertigo impotence.
Adverse effects/toxic reactions
First-dose syncope (hypotension with sudden loss of consciousness) may occur
within 30?90 min after initial dose. May be preceded by tachycardia (pulse rate
of 120?160 beats/min).

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Don’t Use:

Concurrent use
of phosphodiesterase (PDE5) inhibitors (e.g. sildenafil tadalafil vardenafil) pts
with orthostatic hypotension.