Daewon Pharm


MD Pharm
Concise Prescribing Info
Mild to moderate HTN; benign prostatic hyperplasia.
Dosage/Direction for Use
Adult Initially 1 mg once daily at bedtime. HTN Monotherapy: Maintenance dose: 2-10 mg once daily, may be doubled after 1 wk. Dose should be decreased when administered w/ thiazide diuretics or other antihypertensives. Benign prostatic hyperplasia Maintenance dose: 5-10 mg once daily.
Hypersensitivity to terazosin or α-blockers. Lactation. Childn <12 yr.
Special Precautions
Patients w/ history or possibility of orthostatic hypotension, faints, spasm, unconsciousness, MI, cerebrovascular disorders, transient ischemic spasm, angina, gastric ulcer, alcoholism, hepatic disease, hypertensive retinopathy (grades III-IV), IDDM. Rule out the presence of prostatic carcinoma prior to therapy in patients w/ benign prostatic hyperplasia. Monitor for acute febrile multiple arthritis in HTN patients. May impair ability to drive or operate machinery. Severe hepatic or renal function disorder. Pregnancy. Childn. Elderly (cerebral infarction may occur).
Adverse Reactions
Syncopal & orthostatic symptoms; depression, nervousness; tachycardia, vasodilation; indigestion, abdominal fullness, stomach disorder; nosebleed, flu symptom, pharyngitis, rhinitis, resp disorder, cold symptom, nasal congestion, increased cough, sinusitis; sensory aberration, balance difficulty, abnormal vision, amblyopia, conjunctivitis, tinnitus; water retention; wt gain, rigors, joint swelling & debility, muscle pain, decreased libido, sweating, impotence, priapism, thrombocytopenia.
Drug Interactions
Antihypertensive action may be increased w/ other antihypertensives. Verapamil.
ATC Classification
G04CA03 - terazosin ; Belongs to the class of alpha-adrenoreceptor antagonists. Used in the treatment of benign prostatic hypertrophy.
Terasin tab 2 mg
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