Anril SR
Tablet (Sustained Release)
Generic Name
Nitroglycerin
Strength
2.6 mg
Manufacturer
Square Pharmaceuticals PLC
Unit Price
Unit Price: ৳ 5.00 (5 x 10: ৳ 250.00) Strip Price: ৳ 50.00
🔹 Indications
Anril SR is indicated for acute relief of an attack or prophylaxis of angina pectoris due to coronary artery disease.
🔹 Pharmacology
The principal pharmacological action of nitroglycerin is relaxation of vascular smooth muscle, producing a vasodilator effect on both peripheral arteries and veins with more prominent effects on the latter. Dilation of the post-capillary vessels, including large veins, promotes peripheral pooling of blood and decreases venous return to the heart, thereby reducing left ventricular enddiastolic pressure (pre-load). Arteriolar relaxation reduces systemic vascular resistance and arterial pressure (after-load).
Nitroglycerin forms free radical nitric oxide (NO), which activates guanylate cyclase, resulting in an increase of guanosine 3’5’-monophosphate (cyclic GMP) in smooth muscle and other tissues. This eventually leads to dephosphorylation of myosin light chains, which regulates thecontractile state in smooth muscle and results in vasodilation.
Absorption: Nitroglycerin is rapidly absorbed and is often used in emergency situations for this reason.
Distribution: The volume of distribution of Nitroglycerin is 3 L/kg.
Metabolism: Nitroglycerin is rapidly metabolized in the liver by hepatic enzymes to di-nitrates and mononitrates.
Elimination: Nitroglycerin is excreted by the renal route, primarily as the 2 di-nitro-metabolites.
Nitroglycerin forms free radical nitric oxide (NO), which activates guanylate cyclase, resulting in an increase of guanosine 3’5’-monophosphate (cyclic GMP) in smooth muscle and other tissues. This eventually leads to dephosphorylation of myosin light chains, which regulates thecontractile state in smooth muscle and results in vasodilation.
Absorption: Nitroglycerin is rapidly absorbed and is often used in emergency situations for this reason.
Distribution: The volume of distribution of Nitroglycerin is 3 L/kg.
Metabolism: Nitroglycerin is rapidly metabolized in the liver by hepatic enzymes to di-nitrates and mononitrates.
Elimination: Nitroglycerin is excreted by the renal route, primarily as the 2 di-nitro-metabolites.
🔹 Dosage & Administration
Sublingual tablet: One tablet (0.5 mg) should be dissolved under the tongue at the first sign of an acute anginal attack. The dose may be repeated approximately every five minutes, until relief is obtained. If the pain persists after a total of 3 tablets in a 15-minute period, prompt medical attention is recommended.
Sustained release tablet: Dosage should always to be adjusted according to the requirement and response obtained by the individual patient and the severity of the anginal pain.
Sustained release tablet: Dosage should always to be adjusted according to the requirement and response obtained by the individual patient and the severity of the anginal pain.
- 2.6 mg: 1 tablet 2 times a day before meal (in the morning, at noon). If necessary the doses may be raised gradually 2 or 3 tablets 2 times daily.
- 6.4 mg: One tablet twice daily. Or as directed by the registered physician
🔹 Interaction
Patients receiving antihypertensive drugs, beta-adrenergic blockers or phenothiazines and nitrates should be observed for possible additive hypotensive effects. Concomitant use of nitrates and alcohol may cause hypotension. The vasodilatory and hemodynamic effects of Anril SR may be enhanced by concomitant administration of Aspirin.
🔹 Contraindications
It is contraindicated for patients who are using PDE5 inhibitors (Sildenafil, Vardenafil & Tadalafil), patients who have severe anemia, increased intracranial pressure, hypersensitivity to it or to other nitrates or nitrites & acute circulatory failure or shock.
🔹 Side Effects
Most common adverse reactions are headache, flushing and hypotension.
🔹 Pregnancy & Lactation
There is no evidence relating to the safety of nitrates in pregnancy and lactation. Nitrates should be administered to pregnant women and nursing mothers unless considered essential by the physician. It is not known whether Nitroglycerin is excreted in human milk.
🔹 Precautions & Warnings
Only the smallest dose is required for effective control of the acute anginal attack. Excessive use may lead to
the development of tolerance. Anril SR should be used with caution in patients who may be volume-depleted or are already hypotensive.
the development of tolerance. Anril SR should be used with caution in patients who may be volume-depleted or are already hypotensive.
🔹 Pediatric Usage
Safety and effectiveness of Anril SR in pediatric patients have not been established.
🔹 Storage Conditions
Keep out of reach of children. Store in a dry place, below 25°C temperature and protected from light.
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💡 Frequently Asked Questions
Anril SR is indicated for acute relief of an attack or prophylaxis of angina pectoris due to coronary artery disease.
Sublingual tablet: One tablet (0.5 mg) should be dissolved under the tongue at the first sign of an acute anginal attack. The dose may be repeated approximately every five minutes, until relief is obtained. If the pain persists after a total of 3 tab...
Most common adverse reactions are headache, flushing and hypotension.
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