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Terazosin hydrochloride - Hytrin
Alpha-adrenergic blocking drug
Mechanism of action
Selectively blocks postsynaptic alpha1-adrenergic receptors, leading to
vasodilatation without reflex tachycardia, it does not block alpha2 presynaptic
Treatment of hypertension
Treatment of symptomatic benign prostatic hyperplasia (BPH)
Contraindicated in the presence of hypersensitivity to terazosin, lactation.
Use caution in the presence of CHF, renal failure, pregnancy.
CNS: Dizziness, headache, drowsiness,
lack of energy, weakness, somnolence, nervousness, vertigo, depression,
GI: Nausea, vomiting,
abdominal discomfort or pain
CV: Palpitations, sodium and water
retention, increased plasma volume, edema, syncope, tachycardia, orthostatic
Respiratory: Dyspnea, nasal congestion, sinusitis
GU: Urinary frequency, incontinence,
EENT: Blurred vision, reddened sclera,
epistaxis, tinnitus, dry mouth, nasal congestion
Dermatologic: Rash, pruritus, alopecia,
Other: Diaphoresis, lupus erythematosus
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