Nefin 20 SR Tablet
Prescription Required
Product introduction
Nefin 20 SR Tablet is a medicine used to treat high blood pressure (hypertension) and to prevent angina (heart-related chest pain). It belongs to a class of medicines known as calcium channel blockers. It lowers blood pressure and reduces the workload of the heart. This helps prevent heart attacks and strokes.
is a used to lower blood pressure and treat chest pain (angina).
is a used to lower blood pressure and treat chest pain (angina).
Uses of Nefin Tablet SR
Benefits of Nefin Tablet SR
In Treatment of Hypertension (high blood pressure)
Nefin 20 SR Tablet works by relaxing the blood vessels so that blood can flow more easily around your body. This lowers your blood pressure and reduces your risk of having a stroke, a heart attack, or kidney problems in the future. You do not usually feel any direct benefit from taking this medicine, but it works in the long term to keep you well. Take regularly, as prescribed for this medicine to be most effective, even if you feel better.
In Prevention of Angina (heart-related chest pain)
Nefin 20 SR Tablet works by relaxing blood vessels so that blood can flow more easily around your body. This means that more oxygen gets to your heart and reduces the risk of getting chest pain (angina). This medicine should not be used to treat chest pain which is already happening. It is used to prevent or reduce the frequency of angina attacks. This medicine needs to be taken regularly as prescribed for it to work effectively. So, it is important to keep taking it even if you feel well and have no symptoms.
In Prevention of Heart attack
Nefin 20 SR Tablet helps lower your blood pressure and make it easier for your heart to pump blood around your body. This reduces the chances of you having a heart attack. It can also reduce the risk of dying if it is given immediately after a heart attack. This medicine needs to be taken regularly to be effective, so keep taking it even if you feel well. Do not stop without talking to your doctor.
In Prevention of Stroke
Nefin 20 SR Tablet reduces the risk of future strokes. It helps lower your blood pressure and makes it easier for your heart to pump blood around your body. This reduces the chances of you having a stroke. Take it as advised by the doctor to get the maximum benefit.
Side effects of Nefin Tablet SR
Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Nefin
- Dizziness
- Fatigue
- Flushing (sense of warmth in the face, ears, neck and trunk)
- Headache
- Peripheral edema
How to use Nefin Tablet 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. Nefin 20 SR Tablet may be taken with or without food, but it is better to take it at a fixed time.
How Nefin Tablet SR works
Nefin 20 SR Tablet is a calcium channel blocker. In high blood pressure, it normalizes the blood pressure by relaxing the blood vessels to reduce the pressure on them, thereby improving the blood flow in the body. The enhanced blood flow in the body further relaxes the heart muscles by reducing the workload on the heart. It also improves the oxygen flow to the heart, thereby, preventing any heart-related chest pain.
Safety advice
Alcohol
CAUTION
Caution is advised when consuming alcohol with Nefin 20 SR Tablet. Please consult your doctor.
Pregnancy
CONSULT YOUR DOCTOR
Nefin 20 SR Tablet 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.
Breast feeding
SAFE IF PRESCRIBED
Nefin 20 SR Tablet is probably safe to use during breastfeeding. Limited human data suggests that the drug does not represent any significant risk to the baby.
Driving
CAUTION
Nefin 20 SR Tablet may cause dizziness or weakness due to low blood pressure. Do not drive if these symptoms occur.
Nefin 20 SR Tablet may make you feel dizzy, faint, extremely tired or have visual disturbances. This may affect your ability to drive.
Nefin 20 SR Tablet may make you feel dizzy, faint, extremely tired or have visual disturbances. This may affect your ability to drive.
Kidney
SAFE IF PRESCRIBED
Nefin 20 SR Tablet is safe to use in patients with kidney disease. No dose adjustment of Nefin 20 SR Tablet is recommended.
However, talk to your doctor if you have any underlying kidney disease.
However, talk to your doctor if you have any underlying kidney disease.
Liver
CAUTION
Nefin 20 SR Tablet should be used with caution in patients with liver disease. Dose adjustment of Nefin 20 SR Tablet may be needed. Please consult your doctor.
All substitutes
For informational purposes only. Consult a doctor before taking any medicines.
Nefin 20 SR Tablet
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Quick tips
- Take it at the same time every day to help you remember to take it.
- A sudden drop in your blood pressure may occur, especially when you first start taking Nefin 20 SR Tablet. To lower the chance of feeling dizzy or passing out, rise slowly if you have been sitting or lying down.
- It can cause ankle or foot swelling. To reduce the swelling, raise your legs while you are sitting down. Talk to your doctor if it does not go away.
- It may cause dizziness. Do not drive or perform any activity that requires mental focus until you know how Nefin 20 SR Tablet affects you.
- Inform your doctor if you are pregnant, planning a pregnancy or breastfeeding.
Fact Box
Chemical Class
Dihydropyridinecarboxylic derivatives
Habit Forming
No
Therapeutic Class
CARDIAC
Action Class
Calcium channel blockers- Dihydropyridines (DHP)
Patient concerns
FAQs
Is Nefin 20 SR Tablet a diuretic?
No, Nefin 20 SR Tablet is not a diuretic medication. However, some evidence indicates that Nefin 20 SR Tablet has a partial diuretic property which may result in increased sodium loss through urine. It is a medication which relaxes the blood vessels by directly acting on them. This helps to decrease the blood pressure of the individual. As a result, blood flows more easily and lowers blood pressure, which helps to reduce the strain or pressure on your heart.
Is Nefin 20 SR Tablet bad for kidneys?
No, Nefin 20 SR Tablet is not bad for kidneys. In few research studies, taking Nefin 20 SR Tablet in recommended doses has in fact been shown to be beneficial for the kidneys. It is not advised to use this medicine without consulting the doctor. It should be used exactly as prescribed.
Can Nefin 20 SR Tablet cause liver damage?
Yes,Nefin 20 SR Tablet can cause liver damage in some cases, but this is very rare. However, some people may develop a rise in liver enzymes after taking Nefin 20 SR Tablet. Let your doctor know if you notice any such changes in your recent lab tests. Do not start this medication without consulting your doctor and do inform him if you have any history of liver disease or liver damage. This is because, in case of liver damage, dose adjustment may be required.
Does Nefin 20 SR Tablet affect blood sugar?
No, Nefin 20 SR Tablet does not cause any change in blood sugar levels. It has been observed that Nefin 20 SR Tablet has no effect on the release of insulin or change in blood sugar levels. However, before starting the medicine, inform the doctor if you are diabetic. This is done because the medicine for blood pressure is suggested accordingly when a patient is diabetic.
Can Nefin 20 SR Tablet be used in pregnancy and nursing mothers?
It is advised that you should consult your doctor before taking this medicine if you are pregnant, planning to become pregnant or breastfeeding. It should be used only if prescribed by the doctor in case of pregnancy. Studies have shown significant risks to the developing baby and it is given only if the benefits are clearly more than the risks involved.
Does Nefin 20 SR Tablet cause palpitations?
Yes. Nefin 20 SR Tablet can cause palpitations as a side effect. However, this is usually not bothersome and resolves as you continue with the treatment. If the symptom persists for long, consult the doctor who will suggest the ways to prevent it.
Do I need to change my diet while taking Nefin 20 SR Tablet?
Yes, making small changes to your diet can help your medicine work better. You must take a low sodium and low-fat diet, and adhere to the lifestyle changes as advised by your doctor. You should also avoid eating grapefruit (chakotra) or drinking grapefruit juice while taking Nefin 20 SR Tablet.
My blood pressure is now controlled. Can I stop taking Nefin 20 SR Tablet now?
No, do not stop taking it on your own as it may worsen your condition. You should take Nefin 20 SR Tablet in the dose and duration advised by your doctor. Consult your doctor for any query or dose modification.
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Disclaimer:
Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.References
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- Opie LH. Calcium Channel Blockers. In: Opie LH, Gersh BJ, editors. Drugs for the Heart. 8th ed. Philadelphia, Pennsylvania: Elsevier Saunders; 2013. pp. 84-86.
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- National Health Sciences. Nifedipine. [Last Reviewed: 18 Feb. 2022]. [Accessed 25 Jul. 2023] (online) Available from:
- Khan KM, Patel JB, Schaefer TJ. Nifedipine. [Updated 2023 May 23]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023. [Accessed 25 Jul. 2023] (online) Available from:
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Marketer details
Name: Fredun Pharmaceuticals Limited
Address: Manoj Industrial Premises, G.D. Ambekar Marg, Wadala, Mumbai: 400031 India
Country of origin: India
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