Teralfa Tablet
Terazosin
1mg
Torrent Pharmaceuticals Ltd.
| Pack size | 1 |
|---|---|
| Dispensing mode | |
| Source | |
| Agent | |
| Retail Price | 14.86 NPR |
Available as:
Indications
Teralfa Tablet is used for:
Hypertension, Benign prostatic hyperplasia
Adult Dose
Oral
Hypertension
Adult: Initially, 1 mg at bedtime, gradually increased at 7-day intervals according to response. Maintenance: 2-10 mg once daily.
Max: 20 mg/day in 1 or 2 divided doses.
Elderly: Initial: 0.5 mg at bed time and titrate to response
Benign prostatic hyperplasia
Adult: Initially, 1 mg at bedtime gradually increased at 7-day intervals according to response. Maintenance: 5-10 mg once daily.
Hepatic impairment: Use with caution
Child Dose
Renal Dose
Administration
May be taken with or without food. Give first dose and subsequent increases at bedtime to avoid syncope
Contra Indications
Hypersensitivity to quinazoline derivatives.
Precautions
Prostate cancer should be ruled out before starting therapy. Patient w/ history of micturition syncope, prostate cancer, angina. Elderly. Pregnancy and lactation. Patient Counselling May impair ability to drive, operate machinery or engage in hazardous activities. Monitoring Parameters Monitor BP regularly.
Lactation: Not known if excreted into breast milk; use caution
Pregnancy-Lactation
Interactions
Concomitant admin w/ phosphodiesterase-5 (PDE-5) inhibitors (e.g. sildenafil) can result in additive BP lowering effects and symptomatic hypotension. Possible significant hypotension when admin w/ other antihypertensive agents e.g. verapamil.
Adverse Effects
Side effects of Terazosin :
>10%
Dizziness (10-20%),Asthenia (2-13%)
1-10%
Hypotension (3-7%),Rhinitis/nasal congestion (2-6%),Lightheadedness (3-5%),Somnolence (3-5%),Palpitation (4%),Nausea (2-4%),Edema (3%),Sinusitis (3%),Dyspnea (2-3%),Fatigue (2.5%),Headache (2.5%),Back pain (2.4%),Flulike syndrome (2.4%),Tachycardia (2%),Amblyopia (1-2%),Blurred vision (1-2%),Impotence (1-2%),Syncope (1%)
Mechanism of Action
Terazosin is an alpha1-adrenoceptor antagonist which blocks peripheral postsynaptic receptors resulting to decreased arterial tone. It relaxes smooth muscle of the bladder neck causing a reduction of bladder outlet obstruction.
Note
Teralfa 1mg Tablet manufactured by Torrent Pharmaceuticals Ltd.. Its generic name is Terazosin. Teralfa is availble in Nepal.
Farmaco Nepal drug index information on Teralfa Tablet is not intended for diagnosis, medical advice or treatment; neither intended to be a substitute for the exercise of professional judgment.