প্রাজোলক এ আছে Prazosin Hydrochloride। প্রাজোলক এর কাজঃ
Hypertension (Primary and Secondary Hypertension). Raynaud's phenomenon and Raynaud's disease, Congestive heart failure (Prazosin may be used alone or added to the therapeutic regimen in those patients with congestive heart failure who are resistant or refractory to conventional therapy with diuretics and/or cardiac glycosides) & Benign prostatic hyperplasia (For the symptomatic treatment of urinary obstruction due to BPH and in patients awaiting prostatic surgery).
|Prazolok Tablet 1 mg in bangla|
|চিকিৎসাগত শ্রেণিঃ||Alpha adrenoceptor blocking drugs|
|উৎপাদনকারীঃ||Square Pharmaceuticals Ltd|
|সর্বশেষ সম্পাদনাঃ||2020-11-21 18:15:00|
Prazosin causes a decrease in total peripheral vascular resistance through selective inhibition of postsynaptic alpha-1-adrenoreceptors in vascular smooth muscle. In hypertensive patients, blood pressure is lowered in both the supine and standing positions; this effect is more pronounced on the diastolic blood pressure. Rebound elevation of blood pressure does not occur following abrupt cessation of Prazosin therapy.
The therapeutic efficacy of Prazosin in patients with congestive heart failure is ascribed to a reduction in left ventricular filling pressure, reduction in cardiac impedance and an augmentation of cardiac output. The use of Prazosin in congestive heart failure does not provoke a reflex tachycardia and blood pressure reduction is minimal in normotensive patients. Prazosin reduce the severity of the signs, symptoms, frequency and duration of attacks, in patients with Raynaud's disease. In low dosage, antagonism of alpha-1-receptors on prostatic and urethral smooth muscle has been shown to improve the urinary pressure profile in men and to improve symptoms of benign prostatic hyperplasia. Clinical studies have shown that Prazosin therapy is not associated with adverse changes in the serum lipid profile.
প্রাজোলক এ আছে Prazosin Hydrochloride 1 mg। প্রাজোলক খাওয়ার নিয়ম নিম্নরূপঃ
Patients receiving other antihypertensive therapy but with inadequate control:
Congestive heart failure:
Benign prostatic hyperplasia:
May be taken with or without food. Starting dose is best taken within dinner, at least 2-3 hr before retiring. Maintenance doses may be taken with or without meals.
The most common side effects of Prazosin are allergic reaction, depression, nervousness, insomnia, Hallucinations, dizziness, drowsiness, headache, faintness, syncope, paraesthesia, worsening of pre-existing narcolepsy, blurred vision, eye pain, reddened sclera, vertigo, tinnitus, palpitations etc.
In patients with benign prostatic hyperplasia: Prazosin is not recommended for patients with a history of micturition syncope. It should not normally be administered to patients already receiving another alpha-1-antagonist.
In patients with congestive heart failure: Prazosin is not recommended in the treatment of congestive cardiac failure due to mechanical obstruction such as aortic valve stenosis, mitral valve stenosis, pulmonary embolism and restrictive pericardial disease.
In patients with hypertension: Postural hypotension evidenced by dizziness and weakness, or rarely loss of consciousness, has been reported, particularly with the commencement of therapy
Use with phosphodiesterase-5 inhibitors (PDE-5 Inhibitors): Concomitant useo f PDE-5 inhibitors (e.g. Sildenafil, Tadalafil, Vardenafil) and Prazosin may lead to symptomatic hypotension in some patients. Adding Prazosin to beta-adrenergic antagonist or calcium antagonist therapy may produce a substantial reduction in blood pressure.
Pregnancy category C. It should be used only when, in the opinion of the physician, potential benefit outweighs potential risk. Prazosin has been shown to be excreted in small amounts in human milk. Caution should be exercised when Prazosin is administered to nursing mothers.
Prazosin is contraindicated in patients with known sensitivity to Prazosin & other quinazolines or any of the excipients.
Patients with moderate to severe grades of renal impairment: Evidence to date shows that Prazosin does not further compromise renal function when used in patients with renal impairment. As some patients in this category have responded to small doses of Prazosin, it is recommended that therapy be initiated at 0.5 mg daily and that dosage increases be instituted cautiously.
Patients with hepatic dysfunction: it is recommended that therapy should be initiated at 0.5 mg daily and that dosage should be increased cautiously.
Use in the elderly: Since the elderly may be more susceptible to hypotension, therapy should be initiated with the lowest possible dose.
Symptoms: Hypotension, profound drowsiness, depressed reflexes.
Management: Symptomatic and supportive treatment. May be treated with activated charcoal if patient presents within 1 hr of ingestion. Postural measures and parenteral fluid volume replacement for severe hypotension and if necessary, cautious IV infusion of a vasopressor.
Keep away from light and moisture, store below 30° C. Keep away from reach out of the children.
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