
Nigrain TR 40 Tablet SR
Manufacturer
Torrent Pharmaceuticals Ltd
Salt Composition
Propranolol (40mg)
Key Information
Short Description
Nigrain TR 40 Tablet SR helps decrease anxiety and relieve tremors. It is also used to help prevent migraine, heart-related chest pain (angina), and bleeding in the stomach caused by high blood pressure in the liver (portal hypertension).
Dosage Form
Tablet SR
Introduction
Nigrain TR 40 Tablet SR contains Propranolol, a beta blocker. It works by affecting the body's response to nerve impulses, especially in the heart. It slows down your heart rate and makes it easier for the heart to pump blood around the body. This prevents arrhythmias. It also widens the blood vessels in the body for better blood flow, thereby preventing angina as well as migraine. The exact mechanism by which it prevents tremors is not known, but experts believe that Nigrain TR 40 Tablet SR helps block the nerve impulses to the muscles responsible for tremors.
Directions for Use
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. Nigrain TR 40 Tablet SR is to be taken empty stomach. Avoid Nigrain TR 40 Tablet SR with high-fat meals such as olive oil, nuts & seeds (Brazil nuts), dark chocolate, butter and meat.
Safety Information
Side Effects
No common side effects listed.
Alcohol Warning
It is unsafe to consume alcohol with Nigrain TR 40 Tablet SR.
Breastfeeding Warning
Nigrain TR 40 Tablet SR is probably unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby.
Pregnancy Warning
Nigrain TR 40 Tablet SR may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.
Interacting Medicines
Disopyramide Acarbose Atazanavir Chlorpromazine
How it works
Nigrain TR 40 Tablet SR contains Propranolol, a beta blocker. It works by affecting the body's response to nerve impulses, especially in the heart. It slows down your heart rate and makes it easier for the heart to pump blood around the body. This prevents arrhythmias. It also widens the blood vessels in the body for better blood flow, thereby preventing angina as well as migraine. The exact mechanism by which it prevents tremors is not known, but experts believe that Nigrain TR 40 Tablet SR helps block the nerve impulses to the muscles responsible for tremors.
Quick Tips
It is not the first-choice treatment for high blood pressure according to the latest guidelines. It may hide the symptoms of low blood sugar if you have diabetes. Monitor blood sugar levels regularly. To lower the chance of feeling dizzy or passing out, rise slowly if you have been sitting or lying down. Use caution while driving or doing anything that requires concentration as Nigrain TR 40 Tablet SR can cause dizziness and sleepiness. Inform your doctor if you notice increased swelling around your legs or ankles Do not stop taking the medication suddenly without talking to your doctor.
Related Medicines

Migrabeta-TR 40 Tablet

Inderal LA 40 Tablet

Argem-CR 40 Tablet

Albeta 40mg Tablet SR

Promigra 40mg Tablet SR

Mibeta SR 40 Tablet

Migvon SR 40 Tablet

Trilol 40mg Tablet SR

Provanol SR 40 Tablet

Betalol 40mg Tablet SR
Frequently asked questions
My doctor has prescribed Nigrain TR 40 Tablet SR even though my blood pressure is within normal limits. Is it because of the chest pain that I complained of?
Yes, it's possible your doctor prescribed Nigrain TR 40 Tablet SR for chest pain (angina). This medication is a beta-blocker used to lower high blood pressure, prevent angina, treat or prevent heart attacks, and reduce the risk of heart problems following a heart attack. It may also be used to treat irregularities in heartbeat, including those caused by anxiety, essential tremor, overactive thyroid (thyrotoxicosis and hyperthyroidism), and bleeding in the food pipe caused by high blood pressure.
When can I expect relief from symptoms after starting Nigrain TR 40 Tablet SR for high blood pressure?
Nigrain TR 40 Tablet SR usually starts working within a few hours of taking it. However, it may take up to a week to see the full benefits in reducing symptoms of high blood pressure or heart conditions. Keep taking this medicine as prescribed by your doctor because you will still be getting its full benefits.
Can Nigrain TR 40 Tablet SR be used in asthmatics?
No, Nigrain TR 40 Tablet SR cannot be used in asthmatics. This is because using Nigrain TR 40 Tablet SR in asthma patients can cause breathing problems, which may trigger an asthma attack. Inform your doctor if you have or ever had asthma before starting treatment with Nigrain TR 40 Tablet SR.
What if I forget to take a dose of Nigrain TR 40 Tablet SR?
If you forget a dose of Nigrain TR 40 Tablet SR, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take the next scheduled dose at the prescribed time. Do not double the dose to make up for the missed one as this may increase the chances of developing side effects.
Can I stop taking Nigrain TR 40 Tablet SR as my chest pain is under control?
No, you should not stop taking Nigrain TR 40 Tablet SR suddenly because that may worsen your angina or cause a heart attack. Tell your doctor and if there's a need to stop Nigrain TR 40 Tablet SR, your doctor will reduce your dose gradually over a period of a few weeks.
Does Nigrain TR 40 Tablet SR relieve anxiety?
Yes, Nigrain TR 40 Tablet SR helps relieve symptoms of anxiety such as irritability, restlessness, excessive worry, lack of concentration, racing or unwanted thoughts, fatigue, insomnia (lack of sleep), palpitations (irregular heart rate), or trembling. The dose and duration of taking Nigrain TR 40 Tablet SR will be advised by your doctor.
I have been on Indomethacin for several months. Will it be a problem if I start taking Nigrain TR 40 Tablet SR along with it?
Yes, Indomethacin may interfere with the working of Nigrain TR 40 Tablet SR and make it less effective, causing your blood pressure to increase. Speak to your doctor who will prescribe you a different medicine to control blood pressure.
Is Nigrain TR 40 Tablet SR effective?
Nigrain TR 40 Tablet SR is effective if used in the dose and duration advised by your doctor. Do not stop taking it even if you see improvement in your condition. If you stop using Nigrain TR 40 Tablet SR too early, the symptoms may return or worsen.
What if I take an overdose of Nigrain TR 40 Tablet SR?
If you take an overdose of Nigrain TR 40 Tablet SR, you may experience symptoms such as slow heartbeat, trembling, difficulty breathing, or dizziness. Consult a doctor if you think you have taken more than what you are prescribed.
Is Nigrain TR 40 Tablet SR safe?
Nigrain TR 40 Tablet SR is safe if used in the dose and duration advised by your doctor. Take it exactly as directed, do not skip any dose, and follow your doctor's instructions carefully.