Nifedipine - Uses, Side Effects, Warnings, and More

Nifedipine – Uses, Side Effects, Warnings, and More

Nifedipine – Uses, Side Effects, Warnings, and More

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This drug is taken to reduce the risk of experiencing particular forms of chest discomfort (angina). It may make it possible for you to exercise more, which could result in a reduction in the number of times you experience angina. Nifedipine is a calcium channel blocker, which is a class of medication to which other pharmaceuticals belong. It achieves this by relaxing the blood arteries, making it possible for the blood to flow more freely.

In order for this drug to work well, it must be taken on a consistent basis. It is not appropriate to use it as a treatment for episodes of chest pain when they occur. In order to get relief from episodes of chest pain, your doctor may recommend that you try additional medications, such as nitroglycerin sublingual spray. For further information, speak with either your physician or pharmacist. It is recommended that people over the age of 65 have a conversation with their physician or pharmacist about the potential advantages and drawbacks of using this medication, as well as the availability of other, possibly less dangerous formulations of nifedipine (such as long-acting tablets).

How to take nifedipine in tablet form

Consume this drug orally, often three times daily, either with or without a meal or as advised by your physician. This drug should be taken in its entirety. The capsule should not be chewed on, crushed, or broken in any way.

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Your current health status and how well you respond to treatment will determine the appropriate dosage. It’s possible that your doctor will gradually boost your dosage. Be sure to pay close attention to the directions that your doctor gives you.

While you are taking this medicine, you should avoid eating grapefruit and drinking grapefruit juice unless specifically instructed to do so by your doctor. It’s possible that eating grapefruit will make your body absorb more of the medication you’re taking. Consult your doctor or pharmacist for more details.

Make sure you take this medication as directed for it to have the desired effect. Take it at the same time every day so that you don’t forget. This will assist.

If your situation gets worse, you should let your doctor know (for example, if your chest pain worsens or is more frequent).

Side Effects

It’s possible you’ll experience symptoms including lightheadedness, flushing, weakness, swelling in your ankles and feet, constipation, and a headache. Notify your doctor or pharmacist as soon as possible if any of these side effects continue or become worse.

When rising from a seated or laying position, take your time getting up so that you don’t end up feeling lightheaded or dizzy.

Keep in mind that the reason your doctor has recommended that you take this medication is that he or she believes that the potential benefits to you outweigh the potential risks of doing so. The majority of persons who take this medicine do not report experiencing any severe adverse effects.

Notify your physician as soon as possible if you experience any major adverse effects, including a rapid, irregular, or pounding heartbeat, fainting, or changes in your vision.

Although this medication is beneficial in avoiding chest discomfort (angina), it is possible that some people who already have serious heart disease could, in extremely rare cases, experience increased chest pain or a heart attack after beginning treatment with this medication or increasing their dosage. You should seek immediate medical attention if you develop any of the following symptoms: chest discomfort that is getting worse, symptoms of a heart attack (such as pain in the chest, jaw, or left arm, shortness of breath, or unusual perspiration),

It is quite unusual for this medicine to cause an extremely severe allergic reaction. However, you should seek immediate medical attention if you detect any symptoms of a significant allergic reaction, such as a rash, itching/swelling (particularly of the face/tongue/throat), extreme dizziness, or difficulty breathing. These symptoms may indicate anaphylaxis.

This list of potential adverse effects is not exhaustive in any way. Please consult your physician or pharmacist if you have any side effects that are not listed above.

In the United States, if you are experiencing any adverse effects, please consult your primary care physician. You can call the FDA at 1-800-FDA-1088 or visit their website at to report any adverse effects.

In Canada, if you are experiencing any adverse effects, please consult your primary care physician. You can call Health Canada at 1-866-234-2345 to report any adverse effects you experience.


Inform your doctor or pharmacist if you are allergic to the drug you are about to take, as well as if you have any additional allergies before you start taking the prescription. There is a possibility that this product contains inactive substances, which, if present, could result in allergic responses or other complications. Discuss the matter further with your pharmacist for further information.

Before beginning treatment with this drug, it is important to discuss your medical history with your doctor or pharmacist, particularly if you have a history of certain cardiac conditions (such as heart failure or aortic stenosis), liver conditions, or renal conditions.

Before undergoing surgery, it is important to discuss all of the products you use with your dentist or doctor (including prescription drugs, nonprescription drugs, and herbal products).

This medicine may make you dizzy. Alcohol or marijuana (cannabis) can make you dizzier. Do not get behind the wheel of a vehicle, operate any machinery, or engage in any activity that requires attentiveness until you are able to do it safely. Reduce your intake of alcoholic beverages. If you are a marijuana user, you should consult your primary care physician (cannabis).

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It’s possible that those over the age of 65 will be more vulnerable to the adverse effects of this medication, particularly the symptoms of dizziness, constipation, and ankle and foot swelling.

During pregnancy, it is important to only use this drug when it is absolutely necessary. Talk to your healthcare provider about the potential drawbacks and advantages.

This drug is found in breast milk after being taken. Before starting to breastfeed, you should talk to your healthcare provider.


Drug interactions can alter the way in which your prescriptions work or raise the likelihood that you will have major adverse effects. This document does not contain all possible medication interactions. Maintain a list of all the goods you use, including prescription and over-the-counter medications, as well as herbal remedies, and give it to both your primary care physician and your pharmacist. Without first consulting your physician, you should never alter the dosage of any medication, stop taking any medication, or start taking any new medication.

The elimination of nifedipine from your body might be influenced by other medications, which can also have an effect on how well nifedipine works. A few examples of these are apalutamide, cimetidine, enzalutamide, mitotane, quinupristin/dalfopristin, St. John’s wort, rifamycins (such as rifabutin, rifampin), and medications that are used to treat seizures (such as carbamazepine, phenytoin). There are many more.

Certain goods contain components that can cause an increase in your heart rate or make the chest pain you’re feeling much worse. Tell your pharmacist what products you are using and ask for instructions on how to use them safely. This is especially important for over-the-counter nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen and naproxen.


Dial 911 if you suspect that someone has overdosed and they are exhibiting serious symptoms such as passing out or having problems breathing. In any other case, contact a poison control centre as soon as possible. To reach the poison control centre for your area in the United States, dial 1-800-222-1222. Canada residents can call a provincial poison control centre.


This drug should not be given to anyone else.

It is possible that you will be subjected to a battery of laboratory and/or medical tests (such as blood pressure, testing of the liver and kidneys, and an electrocardiogram) on a periodic basis in order to monitor your progress or check for any adverse effects. Consult your doctor for additional details.

Neglected Dose

If you forget to take a dose, you should take it as soon as you realise you forgot. If it is getting close to the time of the next dose, you should forgo the dose that you missed. Your next dose should be taken at the typical time. Do not attempt to catch up by doubling the dosage.


Keep at room temperature and away from light and moisture. Store at room temperature. Keep away from the bathroom at all costs. Always make sure that children and animals are kept well away from any medications.

Unless you have been specifically told to do so, you should not flush drugs down the toilet or pour them down a drain. When it is no longer needed or has passed its expiration date, dispose of this product in the appropriate manner. Talk to your neighbourhood pharmacy or the firm that handles garbage disposal in your area.

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