Manufacturer: Cadila Pharmaceuticals Ltd
Salt Composition : Nifedipine(20mg)
Calnif Retard 20mg Tablet may be prescribed alone or along with other medicines. The dose and how often you need it will be decided by your doctor so that you get the right amount to treat your condition. Your doctor may adjust the dose depending on how you respond to this medicine and your blood pressure levels. You can take it at any time of the day, with or without food, but it is best to take it at the same time each day. Take this medicine as soon as you have taken it out of the packet. It is sensitive to light and may not work properly if it is left out of the pack for too long.
Calnif Retard 20mg 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.
Nifedipine is almost completely absorbed from the gastrointestinal tract as shown by plasma levels after sublingual, oral, and rectal administration. Because of presystemic metabolism, the bioavailability is about 56% to 77%.
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 Calnif
Dizziness
Edema (swelling)
Fatigue
Flushing (sense of warmth in the face, ears, neck and trunk)
Headache
Palpitations
Constipation
Severe aortic stenosis.
Unstable angina.
Hypotension.
Heart failure.
Moderate to severe hepatic impairment.
Calnif Retard 20mg 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.
Caution is advised when consuming alcohol with Calnif Retard 20mg Tablet. Please consult your doctor.
Calnif Retard 20mg Tablet is probably safe to use during breastfeeding. Limited human data suggests that the drug does not represent any significant risk to the baby.
Use with caution Below 9years: Contraindicated
Nifedipine capsules are indicated to treat vasospastic angina and chronic stable angina. Extended release tablets are indicated to treat vasospastic angina, chronic stable angina, and hypertension.
Antibiotics. Taking certain antibiotics with nifedipine can cause higher levels of nifedipine in your body.
Antifungal drugs.
Antiviral drugs.
Antiseizure drugs.
Heart drugs.
Other drugs.
Do not chew, crush or break it. Calnif Retard 20mg Tablet may be taken with or without food, but it is better to take it at a fixed time.
Store below 30°C
If you miss a dose of Calnif Retard 20mg Tablet, 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.
Consult a doctor before taking any medicines.
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 Calnif Retard 20mg 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 Calnif Retard 20mg Tablet affects you.
Inform your doctor if you are pregnant, planning a pregnancy or breastfeeding.
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. Calnif Retard 20mg Tablet may be taken with or without food, but it is better to take it at a fixed time.
Q. Is Calnif Retard 20mg Tablet a diuretic?
No, Calnif Retard 20mg Tablet is not a diuretic medication. However, some evidence indicates that Calnif Retard 20mg 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.
Q. Is Calnif Retard 20mg Tablet bad for kidneys?
No, Calnif Retard 20mg Tablet is not bad for kidneys. In few research studies, taking Calnif Retard 20mg 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.
Q. Can Calnif Retard 20mg Tablet cause liver damage?
Yes,Calnif Retard 20mg 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 Calnif Retard 20mg 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.
Q. Does Calnif Retard 20mg Tablet affect blood sugar?
No, Calnif Retard 20mg Tablet does not cause any change in blood sugar levels. It has been observed that Calnif Retard 20mg 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.
Q. Can Calnif Retard 20mg 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.
Q. Does Calnif Retard 20mg Tablet cause palpitations?
Yes. Calnif Retard 20mg 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.
Q. Do I need to change my diet while taking Calnif Retard 20mg 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 Calnif Retard 20mg Tablet.
Q. My blood pressure is now controlled. Can I stop taking Calnif Retard 20mg Tablet now?
No, do not stop taking it on your own as it may worsen your condition. You should take Calnif Retard 20mg Tablet in the dose and duration advised by your doctor. Consult your doctor for any query or dose modification.
