Let's learn about Verapamil Sustained-Release Capsules, which is used for your blood pressure and chest pain.

Let's learn about Verapamil Sustained-Release Capsules, which is used for your blood pressure and chest pain.

Has your doctor prescribed Verapamil for your blood pressure or chest pain? Or does anyone in your family take this medication? It is very important to know exactly what this medication is. Because, any medication can cause problems if not used properly. So, today we will talk about this medication called Verapamil Sustained-Release Capsules.

What is this medicine? (Verapamil Sustained-Release Capsules) Details

Simply put, Verapamil is a medicine that is used to treat high blood pressure and prevent chest pain, also known as angina . The main thing this medicine does is to help your heart work less hard. Do you know how it does it? It works by relaxing your blood vessels . This reduces the resistance to blood flow and makes it easier for your heart to pump blood.

This medication belongs to a class of drugs called calcium channel blockers . That is, it controls the entry of calcium ions into our cells. It specifically limits the entry of calcium into heart muscle cells and smooth muscle cells in blood vessels. This is what causes the blood vessels to relax.

Sometimes doctors may prescribe this medicine for other medical conditions as well. So if you have any further questions about this, it is best to ask your doctor or pharmacist. This medicine is available in the market under names like Verelan and Verelan PM.

Things to tell your doctor before starting this medicine

Before you start taking Verapamil, there are some things you need to tell your doctor. This information will help them decide whether or not this medication is right for you, and how it should be given.

Just think, if you have any of these conditions, you should definitely tell your doctor :

  • If you have a muscle weakness disease like Duchenne muscular dystrophy .
  • If you have any heart disease , perhaps heart failure.
  • If you have an irregular heartbeat or rhythm . This means that your heart rate changes in an irregular manner.
  • If you have liver disease . Because the liver metabolizes drugs, if the liver is weak, the drugs can accumulate in the body.
  • If you have low blood pressure , this medicine may lower your blood pressure even more.
  • If you have had an allergic reaction to verapamil, any other medicine, food, dyes, or preservatives.
  • If you are pregnant or trying to get pregnant .
  • If you are breastfeeding .

It is very important for your own safety to tell the doctor these things without hiding them.

How should I use this medicine?

It is very important to use this medicine correctly. You should take it exactly as your doctor tells you, at the right time, and in the right dosage.

  • This medicine is to be taken orally , with a glass of water.
  • Try to take your medicine at the same time every day , exactly as the doctor prescribes. That way, the medicine will work properly.
  • These are Sustained-Release Capsules . This means that the capsule is designed to release the medicine slowly, gradually, throughout the day. Therefore, do not break, crush, or chew the capsule . Swallow it whole. Otherwise, the medicine may be absorbed into the body too quickly, causing side effects, or changing how well the medicine works.
  • If you sometimes have trouble swallowing a capsule, talk to your doctor. Some types of capsules can be swallowed whole by carefully opening the capsule, mixing the medicine powder with about a teaspoon of applesauce, and swallowing it all at once. However, you should swallow it right away, not chewing it. Even if you take it with applesauce, do not chew the medicine powder. It is best to ask your doctor if this is possible for all types of verapamil.
  • Continue taking the medicine until your doctor tells you to stop. Do not stop taking the medicine suddenly, even if you feel better.
  • It is very important to avoid drinking grapefruit juice while taking this medication. Grapefruit juice can interact with this medication and may increase side effects.
  • If you are giving this medicine to young children , special care should be taken. So talk to your doctor about it.
  • If you accidentally take too much medicine (overdose) , go to the nearest emergency room or call a poison control center immediately.
  • This medicine is only for you. Don't give it to anyone else, okay? Just because it works for you, it won't work for others.

What to do if you miss a dose of medication?

Sometimes you can miss a dose of medicine, right? If that happens, don't worry.

  • Make up the missed time as soon as you remember.
  • However, if it is almost time for your next dose, meaning you will be taking your next dose soon, do not take the missed dose, but just take the next dose at the scheduled time.
  • Never take a double dose of medication. This can cause side effects.

Other things that may interact with this medicine (Interactions)

Verapamil can interact with some other medications, foods, and supplements you take. This means that taking them together can change how well Verapamil works or increase its side effects.

Do not take Verapamil with the following:

  • Cisapride
  • Disopyramide
  • Dofetilide
  • Grapefruit juice - This has been said before, it is very important.
  • Hawthorn - This is an herb.
  • Pimozide
  • Red yeast rice

Also, these medications may interact with Verapamil. So if you are taking these, tell your doctor:

  • Barbiturates, such as phenobarbital, are commonly used to induce sleep and treat epilepsy.
  • Cimetidine - a medicine used for gastritis.
  • Cyclosporine - a medicine that controls the immune system.
  • Lithium - a medication for mental illness.
  • Local anesthetics or general anesthetics - if you are being anesthetized, such as for an operation.
  • Medicines for heart rhythm problems: For example, amiodarone, digoxin, flecainide, procainamide, quinidine.
  • Other medications for high blood pressure or heart disease.
  • Medicines for epilepsy: For example, carbamazepine and phenytoin.
  • Rifampin, rifabutin, or rifapentine - These are antibiotics given to treat tuberculosis.
  • Theophylline or aminophylline - a medicine used to treat asthma.

This list is not exhaustive. Therefore, tell your doctor about all the medications you take (prescribed or over-the-counter), herbs, vitamins, and dietary supplements, as well as if you smoke, drink alcohol, or use other drugs. This will help him or her treat you safely.

Things to be careful about when taking this medicine

You need to take a little extra care of your health while taking Verapamil.

  • See your doctor regularly to check your condition. That way, you can see if the medication is working and if the dosage needs to be changed.
  • Measure your blood pressure as your doctor tells you. Find out what your blood pressure should be and when you should call your doctor if your blood pressure changes.
  • When you take this medicine,Ask your doctor before taking over-the-counter cough, cold, or pain medication. Some medications can increase your blood pressure.
  • This medicine may make you feel drowsy or dizzy. Therefore, avoid driving, operating machinery, or doing anything that requires concentration until you know exactly how this medicine affects you.
  • Don't stand up or sit down suddenly, especially if you are elderly. Doing so can cause dizziness or fainting spells. Change positions frequently.

What are the possible side effects of this medicine?

Like all medications, Verapamil can cause some side effects. Some are serious, while others are not so serious.

If you experience any of these side effects, tell your doctor as soon as possible:

  • Allergic reactions: skin rash, itching, hives, swelling of the face, lips, tongue, or throat.
  • Heart failure signs: shortness of breath, swelling of the ankles, feet, or hands, sudden weight gain, unusual weakness or fatigue.
  • Slow heartbeat signs: dizziness, feeling faint or lightheaded, trouble breathing, feeling unusually tired or weak.
  • Liver injury signs: right upper belly pain, loss of appetite, nausea, light-colored stool, dark yellow or brown urine, yellowing skin or eyes, feeling unusually tired or weak.
  • Low blood pressure signs: dizziness, fainting, blurred vision.

These side effects usually do not require medical attention. However, if they persist or bother you, tell your doctor:

  • Constipation
  • Dizziness
  • Headache
  • Nausea

This list does not include all possible side effects. If you notice anything else unusual, talk to your doctor about it.

How should you store your medicine?

It is also very important to store your medication properly.

  • Keep out of reach of children and pets.
  • Keep at room temperature. That is, between 20 and 25 degrees Celsius (20 and 25 degrees C), or between 68 and 77 degrees Fahrenheit (68 and 77 degrees F).
  • Protect from moisture. Keep the medicine bottle or packet tightly closed.
  • Do not store in places exposed to excessive heat.
  • Do not use expired medications. Throw them away.

The most important thing for you to remember is

Verapamil is an important medication that helps control high blood pressure and angina. However, to get the most out of it, you need to keep these things in mind:

Take the prescribed dose at the prescribed time, exactly as your doctor tells you. Never break, crush, or chew the medicine (because it is a sustained-release medicine). Do not take it with grapefruit juice. Tell your doctor about all other medicines you are taking and about all your illnesses. If you experience any side effects, do not hesitate to tell your doctor. This medicine is for you only, do not share it with others.

If you follow these instructions carefully, you will be able to improve your health with Verapamil. If you have any further questions, don't hesitate to ask your doctor or pharmacist.

👩🏽‍⚕️ Additional questions (FAQs)

💬 What is Verapamil Sustained-Release / Calan SR used for?

This is a highly effective (Calcium Channel Blocker) medicine that is mainly used to continuously control 'High Blood Pressure', chest pain (Angina - pain caused by lack of blood flow to the heart), and heart rhythm changes (Arrhythmia)! Due to the extended-release, the medicine is released for 24 hours after taking it, keeping blood pressure at the same level.

💬 How does this drug (Verapamil) work on the heart and blood vessels?

This is done by completely closing (blocking) the gates through which 'Calcium' enters the muscles of our heart and blood vessels. Like cooling a machine, when calcium is lost, our blood vessels relax and widen (Vasodilation), and at the same time the heart rate/heart rate decreases (Negative inotropic). Then the heart can pump blood without much loss/tirement.

💬 What are the most annoying side effects that can occur when taking these capsules (Verapamil SR)?

The number one inconvenience is 'severe constipation'. This causes more constipation than iron pills. The other trouble is (risk), because this slows down the heart rate, some people may experience bradycardia / heart block and dizziness and fainting. If you are taking this medicine, never eat or drink 'grapefruit juice'! (The medicine is poisonous).


` Verapamil, Verapamil Sustained-Release Capsules, High Blood Pressure, Angina, Chest Pain, Calcium Channel Blocker, Medication, Side Effects

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