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GTN SR

Tablet-(2.6mg)
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Eskayef Pharmaceuticals Ltd.

Generic: Glyceryl Trinitrate (nitroglycerine)

10 Tablets (1 Strip)
৳ 45
৳ 50
10% OFF
Alternative Brands For GTN SR

Medicine Overview of GTN SR 2.6mg Tablet

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Introduction

GTN SR is used to treat and prevent heart-related chest pain (angina). Angina occurs when the heart muscle is not getting enough blood. This medicine works by relaxing and widening blood vessels so blood can flow more easily to the heart. GTN SR should be taken in the dose and duration as advised by your doctor. It may be taken with or without food, preferably at a fixed time each day. Do not consume more than the recommended dose, as this may have harmful effects on your body. You can develop tolerance to this medicine over time, which means that the same dose becomes less effective. You have to stick to a really specific dosing schedule to prevent this from happening. The most common side effect of this medicine is headache which may be severe. This can sometimes be helped by drinking plenty of fluids and avoiding alcohol. You may also experience lightheadedness, which could increase your risk of having a fall. There are other, rarer side effects, some of them serious. Ask your doctor and read the leaflet which comes with the medicine to make sure you are keeping safe. Do not use GTN SR if you are taking medicines to treat high blood pressure in your lungs (pulmonary hypertension), erectile dysfunction or if you have anemia or glaucoma (increased pressure inside the eye). Always tell your doctor what other health conditions you have and what other medicines you are taking. It is best not to drink alcohol with this medicine as it increases some of the side effects. If you are affected by dizziness, avoid driving. If you are pregnant, planning to become pregnant, or breastfeeding, ask your doctor before taking this medicine.

Uses of GTN SR

  • Angina (heart-related chest pain)

Side effects of GTN SR

Common
  • Blurred vision
  • Decreased blood pressure
  • Dizziness
  • Headache
  • Increased heart rate
  • Lightheadedness
  • Paresthesia (tingling or pricking sensation)

How to use GTN SR

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. GTN SR may be taken with or without food, but it is better to take it at a fixed time.

How GTN SR works

GTN SR is a nitrate. It works by relaxing the blood vessels which decreases the oxygen demand of the heart and reduces its workload, thereby preventing/treating attacks of angina (chest pain).

What if you forget to take GTN SR?

If you miss a dose of GTN SR, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

Quick Tips

  • GTN SR may cause dizziness or sleepiness. Do not drive or do anything that requires concentration until you know how it affects you.
  • Do not consume alcohol while taking GTN SR as it may cause increased dizziness.
  • It may cause headaches which usually go away after a few days of continued treatment. Inform your doctor if it persists.
  • You may develop tolerance to GTN SR with time, meaning that the same dose may be less effective next time. Follow the prescribed dosing schedule to avoid this.
  • Stop taking medications (prescribed for erectile dysfunction) like sildenafil or tadalafil while on treatment with GTN SR as it may cause low blood pressure.

Brief Description

Indication

Angina pectoris, Acute myocardial infarction, Severe hypertension, Pulmonary edema.

Adult Dose

Oral Stable angina Adult: As SR tab/cap: 2.6-6.4 mg 3-4 times daily, adjust according to response. Max: 26 mg 4 times daily. Sublingual Tablet Angina Pectoris (Acute Relief) 0.5 mg SL q5min up to 3 times; use at first sign of angina Angina Pectoris (Prophylaxis) 1 tablet SL 5-10 minutes before activities likely to provoke angina attacks Sublingual Spray Angina 1-2 spray(s) PRN for angina, may repeat q3-5min, not to exceed 3 sprays in 15 minutes Spray onto or under tongue; do not inhale, expectorate or rinse mouth for 5-10 minutes Seek medical attention if pain persists after 3 doses in 15 minutes Angina, Prophylaxis 1-2 sprays 5-10 minutes before activities likely to cause angina Intravenous Acute myocardial infarction Adult: 10-100 mcg/min, w/ the dose initially at the lower rate, then increase gradually according to response. Induction of hypotension or control of hypertension during surgery Adult: Initially, 5-25 mcg/min, adjust according to response. Usual range: 10-200 mcg/min; doses up to 400 mcg/min may be required in some cases.

Renal Dose

Renal Failure CrCl: 10-50 mL/min: Administer q24-72hr CrCl: <10 mL/min: Administer q72-96hr

Contraindication

Hypersensitivity. Severe hypotension, heart failure, marked anaemia, hypertrophic obstructive cardiomyopathy, cerebral haemorrhage or head trauma, low cardiac output secondary to hypovolaemia, inferior MI with right ventricular involvement, raised intracranial pressure. Concomitant use with phosphodiesterase type-5 inhibitors.

Mode of Action

Glyceryl trinitrate acts on the enzyme nitric oxide stimulating guanylate cyclase in the vascular smooth muscle cells resulting in the relaxation of smooth muscles. It reduces venous return (preload) and facilitates subendocardial blood flow with redistribution into ischaemic areas. It relieves coronary vasospasm and dilates arterioles reducing afterload. It is useful for relief and prevention of anginal attacks.

Precaution

Severe hepatic or renal impairment, hypothyroidism, malnutrition, hypothermia. Cerebrovascular disease, lung disease or cor pulmonale. Pregnancy, lactation, glaucoma, mitral valve prolapse, cardiac tamponade, syncope. Gradual withdrawal in patients who have received prolonged high dose infusions. Avoid prolonged excessive hypotension. Nitrate-free interval is recommended in patients on continuous treatment with nitrates to reduce risk of tolerance. Lactation: not known whether the drug crosses into breast milk, use caution

Side Effect

Common Headache,Hypotension,Tachycardia,Dizziness,Lightheadedness,Blurred vision,Flushing,N/V,Nervousness,Xerostomia Serious Methemoglobinemia (rare),Syncope,Prolonged bleeding time,Exfoliative dermatitis,Unstable angina,Rebound hypertension,Thrombocytopenia Sublingual Tabs/Spray: Dry mouth, localised burning sensation. Buccal tablets: Delayed dissolution, may be swallowed by mistake. Potentially Fatal: Hypotension, paradoxical bradycardia, impaired respiration, syncope and collapse.

Interaction

Enhances bioavailability of dihydroergotamine. Glyceryl trinitrate infusion may prolong pancuronium-induced neuromuscular blockade. May reduce the efficacy of heparin, alteplase and noradrenaline when used together. Efficacy of buccal and sublingual preparations may be reduced by drugs that can cause dry mouth due to decreased dissolution. Aspirin and other NSAIDs may reduce the therapeutic response to glyceryl trinitrate. Potentially Fatal: Orthostatic hypotension may be produced by combined use of calcium channel blockers, antihypertensives, phenothiazines and TCAs. Alcohol may cause severe hypotension and collapse.

Buy GTN SR from Arogga

In Bangladesh, you can get the original GTN SR. Select your favorite one from a large collection of medicine products. Order from App to get more offers and better experience.

What is the price of GTN SR in Bangladesh?

The latest price of GTN SR in Bangladesh is 45৳. You can buy GTN SR at the best price from Arogga. Order online through our website or mobile app and get fast home delivery anywhere in Bangladesh. Cash on Delivery (COD) is available all over Bangladesh.

Frequently Questions & Answers

Is the product authentic?

Yes. Arogga sources all medicines and health products directly from trusted suppliers, distributors, or manufacturers. Every product is verified before delivery.

Does Arogga deliver all over Bangladesh?

Yes, Arogga delivers nationwide. You can order from anywhere in Bangladesh.

Is Cash on Delivery(COD) available?

Yes, Cash on Delivery is available across Bangladesh for most products.

How long does delivery take?

Delivery usually takes 24–48 hours inside Dhaka and 3–5 days outside Dhaka, depending on location and courier load.

Can I return or replace the product?

If the product is damaged, incorrect, or expired, you can request a replacement or refund according to Arogga’s return policy.

Safety Advices

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UNSAFE
Consuming alcohol while taking GTN SR may cause symptoms such as flushing, increased heart beat, nausea, thirst, chest pain and low blood pressure (Disulfiram reaction).
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SAFE IF PRESCRIBED
GTN SR is generally considered safe to use during pregnancy. Animal studies have shown low or no adverse effects to the developing baby; however, there are limited human studies.
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SAFE IF PRESCRIBED
GTN SR is probably safe to use during breastfeeding. Limited human data suggests that the drug does not represent any significant risk to the baby.
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UNSAFE
GTN SR may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
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SAFE IF PRESCRIBED
GTN SR is probably safe to use in patients with kidney disease. Limited data available suggests that dose adjustment of GTN SR may not be needed in these patients. Please consult your doctor.
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CONSULT YOUR DOCTOR
There is limited information available on the use of GTN SR in patients with liver disease. Please consult your doctor.

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Disclaimer

The information provided herein is accurate, updated and complete as per the best practices of the Company. Please note that this information should not be treated as a replacement for physical medical consultation or advice. We do not guarantee the accuracy and the completeness of the information so provided. The absence of any information and/or warning to any drug shall not be considered and assumed as an implied assurance of the Company. We do not take any responsibility for the consequences arising out of the aforementioned information and strongly recommend you for a physical consultation in case of any queries or doubts.