Verapamil
About Verapamil
Verapamil is a prescription medicine taken to treat high blood pressure, control chest pain (angina), and manage certain irregular heartbeats. By keeping these conditions under control, it helps reduce the risk of serious complications like heart attacks or strokes.
You should take this medicine consistently every day, exactly as prescribed by your doctor. It can usually be taken with or without food, but taking it with food may help prevent stomach upset. Making simple lifestyle adjustments, such as eating a low-salt diet and staying active, can significantly improve your blood pressure results.
While taking this medicine, you may experience mild side effects like constipation or dizziness. However, you must contact your doctor immediately if you notice more serious symptoms, such as an unusually slow heartbeat, swelling in your ankles, or sudden breathing difficulties.
Talk to your doctor before starting this medicine if you have any pre-existing health issues. Do not take this if you have certain severe heart conditions, such as sick sinus syndrome or heart block (unless you have a working pacemaker), or if you suffer from very low blood pressure.
This medicine can interact with alcohol, smoking, and several other medications, which may increase your risk of severe dizziness or drowsiness. If you are pregnant, breastfeeding, or an older adult, consult your doctor or pharmacist to ensure this medicine is safe for you.
Uses of Verapamil
Medicinal Benefits
Verapamil helps manage certain heart and blood pressure conditions by relaxing blood vessels and affecting the electrical signals that control the heartbeat. Its benefits depend on the condition being treated.
- Lowers High Blood Pressure: Helps relax and widen blood vessels, allowing blood to flow more easily and reducing pressure on the heart.
- Prevents Chest Pain: Helps reduce the frequency and severity of angina episodes by improving blood flow and lowering the heart’s workload.
- Controls Certain Abnormal Heart Rhythms: Helps slow an excessively fast heart rate and regulate certain rhythm disturbances, reducing symptoms such as palpitations, dizziness, or weakness.
- Supports Daily Activities: Better control of chest pain, blood pressure, or heart rate may make routine physical activities more comfortable and manageable.
- Provides Long-Term Cardiovascular Protection: Effective blood pressure control may help reduce the risk of complications such as stroke, heart disease, and damage to organs including the kidneys.
Directions for Use
- Verapamil can be taken with or without food as advised by a doctor.
- Take Verapamil at a fixed time every day for the best results or as advised by a doctor.
- Swallow the tablet as a whole with a glass of water.
- Do not chew, crush, or break it.
Storage
Side Effects of Verapamil
Common Side Effects (Usually mild)
- Constipation
- Dizziness or lightheadedness
- Nausea or stomach upset
- Headache
- Tiredness or fatigue
Serious Side Effects (Consult your doctor right away)
- An unusually slow heart rate (bradycardia) or a feeling that your heart is skipping a beat
- Severe dizziness, fainting, or feeling like you might pass out
- Shortness of breath, rapid weight gain, or swelling in your ankles, feet, or lower legs
- Signs of liver damage, such as yellowing of your skin or eyes, dark urine, or severe upper stomach pain
- Signs of a severe allergic reaction, including hives, swelling of the face, lips, tongue, or throat, and difficulty breathing
Medicines Containing this Salt
View AllDrug Warnings
- Avoid alcohol completely: Alcohol can dangerously lower your blood pressure and increase drowsiness or dizziness when combined with this medicine.
- Inform all healthcare providers: Let your dentist, surgeon, or any other specialist know you are taking Verapamil before you undergo any medical procedures or start new prescription drugs.
- Do not stop treatment abruptly: Stopping this medicine suddenly can cause your blood pressure to spike or your chest pain to return suddenly. Always consult your doctor for a safe plan to gradually lower your dose if needed.
- Avoid driving if you feel dizzy: This medicine can make you feel sleepy or lightheaded, especially when you first start taking it or when gradually increasing dose levels. Wait to see how it affects you before driving or operating machinery.
Drug Interactions
The following medicines may interact with Verapamil and require caution, closer monitoring, or treatment adjustments:
- Beta-blockers: Combining this medicine with beta-blockers can dangerously slow down your heart rate and severely lower your blood pressure.
- Digoxin: Verapamil can raise the levels of digoxin in your blood, increasing the risk of digoxin toxicity.
- Statins (like simvastatin or atorvastatin): Taking these together can increase the levels of the cholesterol medicine in your body, raising the risk of muscle pain and liver damage.
- Anti-seizure medications: Certain medicines used to control seizures can lower the effectiveness of Verapamil or change how your body processes it.
Drug-Drug Interactions Checker List:
Safety Advice
Alcohol
unsafeIt is not recommended to consume alcohol while using Verapamil as it may worsen your condition.
Pregnancy
cautionVerapamil should be used only during the first trimester of pregnancy if clearly needed and prescribed by your doctor. Your doctor will weigh the benefits and any potential risks before prescribing this medicine.
Breast Feeding
cautionVerapamil should be taken during breastfeeding only if clearly needed and prescribed by your doctor. Your doctor will weigh the benefits and any potential risks before prescribing this medicine.
Driving
cautionVerapamil may cause dizziness, so do not drive or operate heavy machinery if you feel dizzy after taking this medicine.
Liver
cautionVerapamil should be used with caution if you have liver conditions. Your doctor may adjust the dose based on your condition.
Kidney
cautionVerapamil should be used with caution if you have kidney conditions. Your doctor may adjust the dose based on your condition.
Children
cautionVerapamil should be used in children below 12 years only if clinically needed and if the benefits outweigh the risks. It is not recommended for use in young infants.
Habit Forming
Diet & Lifestyle Advise
- Avoid grapefruit and grapefruit juice: Grapefruit can significantly increase the levels of this medicine in your bloodstream, which raises your risk of experiencing dangerous side effects.
- Eat a high-fibre diet: This medicine frequently causes constipation. To prevent this, drink plenty of water throughout the day and eat foods rich in fibre, such as whole grains, fruits, and vegetables.
- Limit salt (sodium) intake: Reducing your salt consumption helps your medicine work more effectively to lower and manage your blood pressure.
- Stand up slowly: To prevent dizziness or fainting when getting up from a sitting or lying position, take your time and stand up gradually.
- Monitor your heart rate: Keep a regular log of your daily pulse and blood pressure at home, and share these readings with your doctor during your checkups.
Special Advise
- Let your doctor know that you are taking Verapamil if you are scheduled for surgery where an anaesthetic will be used (including dental treatment).
- Verapamil may cause low blood pressure and dizziness, so rise slowly from sitting or lying.
- Please do not stop taking the medication without discussing it with your doctor.
Patients Concern
Disease/Condition Glossary
Hypertension (high blood pressure): It is a chronic (lifelong) condition that happens when the blood pushes too hard against the walls of your arteries. It may not cause noticeable symptoms at first, but over time, it can damage blood vessels and affect your kidneys and other organs. If left uncontrolled, it can increase the risk of complications such as heart attack, stroke, and kidney disease.
Angina pectoris: It is the medical term for heart-related chest pain. It occurs when the blood supply to the heart is reduced due to blockage of one or more coronary arteries. It may feel like squeezing, tightening, or pressure in the chest and can be accompanied by dizziness, sweating, heartburn, and difficulty breathing.
Arrhythmia: It is a condition in which your heart beats irregularly, too fast, or too slow. Symptoms include chest pain, shortness of breath, and fast or slow heartbeat. A normal heart rate is generally between 60 and 100 beats per minute.
FAQs
Verapamil is used to treat hypertension (high blood pressure), angina pectoris (chest pain), and arrhythmias (abnormal or irregular heart rhythms).
Verapamil contains Verapamil, which works by inhibiting the entry of calcium into the heart and blood vessel muscles. This relaxes the blood vessels, reduces the workload on the heart, and normalises the electrical signals in the heart. As a result, Verapamil lowers high blood pressure and controls the rate and rhythm of the heartbeat.
It is not recommended to take Verapamil with other medicines to treat high blood pressure, especially beta-blockers such as atenolol, propranolol, and metoprolol. It may cause an atrioventricular block (a type of heart block) and bradycardia (slow heart rate).
The common side effects of Verapamil are nausea, constipation, headache, dizziness, and low blood pressure. These side effects usually don’t require treatment and gradually resolve over time. However, if these side effects persist or worsen, inform your doctor immediately.
Verapamil should not be taken in people with any degree of heart failure (unless you have a pacemaker), who are taking beta-blockers, who have severe hypotension (low blood pressure), who have severe bradycardia (low heart rate), and Wolff-Parkinson-White syndrome (rapid heart rate associated with dizziness).
To take Verapamil, swallow the medication whole with a glass of water. Do not chew, crush, or break it. Aim to take it at the same time every day to get the best results. Follow the dosage and duration your doctor prescribes, and do not adjust the dose without consulting them. Take Verapamil exactly as your doctor directs to ensure safe and effective treatment.
Verapamil should be used in children below 12 years only if clinically needed and if the benefits outweigh the risks. It is not recommended for use in young infants.
If you're feeling better, don't stop taking the medicine! Instead, report your progress to your doctor and follow their advice. Remember, finishing the full course of medicine is crucial to ensuring your condition is fully gone and doesn't come back. Your doctor will guide you on what to do next, so be sure to check in with them.
Verapamil is a calcium channel blocker used to treat high blood pressure (hypertension), angina (chest pain), and certain heart rhythm disorders. It works by relaxing the blood vessels and decreasing the workload on the heart.
The duration of taking Verapamil varies depending on your specific condition and response to the medication. For chronic conditions such as high blood pressure or angina, Verapamil is typically taken long-term. Your doctor will assess your individual needs and determine the appropriate length of time for you to take Verapamil, ensuring you receive the most effective treatment.
Verapamil is generally considered safe when used as prescribed by a doctor. However, like all medications, it can have side effects and potential interactions with other drugs. It's important to follow your doctor's instructions and inform them of any pre-existing and existing medical conditions or medication history to avoid negative complications.
Yes, Verapamil causes dizziness, which is reported as the most common side effect. Please ensure your safety, exercise caution while driving, and avoid alcohol consumption, as it can worsen the condition. There's no need to panic, as this side effect typically subsides as your body adjusts to the medication over time. However, if the dizziness persists, consult your doctor for personalised guidance and management.
Mild side effects are common and often temporary when taking Verapamil. However, in rare cases, they may become severe due to many factors, depending on individuality. Be alert for symptoms like swelling, breathing difficulties, slow heartbeat, fainting, blurred vision, rash, nausea, or extreme tiredness. If you experience any of these side effects, consult your doctor promptly for proper guidance and management.
Verapamil is not suitable for individuals with certain medical conditions. These include severe heart failure, specific heart rhythm disorders like atrial fibrillation, very rapid heartbeats, low blood pressure, cardiogenic shock, sick sinus syndrome without a pacemaker, and second or third-degree heart block without a pacemaker. Additionally, those allergic to Verapamil composition should not take this medication. Consult your doctor to determine whether Verapamil is safe based on your unique health situation and goal.
The symptoms of overdosing Verapamil may include dizziness, blurred vision, slow, fast, or irregular heartbeat, seizures, confusion, difficulty breathing, or swallowing. Take caution while taking the dose to avoid negative symptoms. If any of these symptoms worsen, please contact your doctor immediately.
The most common side effects of the Verapamil are nausea, constipation, headache, dizziness, and low blood pressure. These side effects are usually mild and temporary and resolve as your body adjusts to the medication. However, if any side effects persist or worsen, it's essential to consult your doctor for proper guidance and care.
It's important to consult your doctor before taking Verapamil during pregnancy or while breastfeeding. Verapamil can cross the placenta and be found in small amounts in breast milk, which can have effects on infants. It's crucial to weigh the potential benefits against the risks. Please consult your doctor for proper guidance and care.
Follow a balanced diet, engage in regular physical activity, limit salt intake, maintain a healthy weight, limit alcohol consumption, quit smoking, stay hydrated, and regularly monitor blood pressure.
Before taking Verapamil, it's crucial to consult your doctor and inform them about any pre-existing medical conditions, allergies, and current medications, vitamins, or supplements. This includes heart, liver, and kidney problems, as well as pregnancy or breastfeeding plans. Also, avoid consuming grapefruit or juice and alcohol, as they may interact with Verapamil. Be aware of potential side effects such as dizziness, slow heartbeat, constipation, nausea, headache, or tiredness, and promptly report any severe or persistent symptoms to your doctor. These precautions will ensure safe usage and minimise potential risks associated with Verapamil.
No, it is highly recommended to avoid alcohol. Alcohol can interact with this medicine to make your blood pressure drop too low, which can cause severe dizziness, fainting, or extreme drowsiness. Talk to your doctor if you have concerns about alcohol use.
This medicine relaxes the muscles in your digestive tract, which can slow down bowel movements and lead to constipation. You can manage this by drinking plenty of water, increasing your daily fibre intake with fruits and vegetables, and exercising regularly. Talk to your doctor or pharmacist if constipation becomes severe.
You should only take this medicine during pregnancy or breastfeeding if your doctor determines that the benefits outweigh the risks. This medicine can pass into breast milk. Talk to your doctor to explore safer alternative treatments.
No, you should never stop taking this medicine suddenly. High blood pressure often has no symptoms, so you may feel perfectly fine even if your blood pressure is high. Stopping abruptly can cause a dangerous spike in blood pressure or worsen chest pain. Talk to your doctor before making any changes.
Grapefruit contains compounds that block the enzymes in your body responsible for breaking down this medicine. This causes the drug to build up in your bloodstream, significantly increasing your risk of severe side effects like dangerously low blood pressure and a slow heart rate.
Yes, dizziness can occur, especially when you first start taking this medicine or when gradually increasing dose amounts. This happens because your blood pressure drops. To prevent this, avoid standing up too quickly from a sitting or lying position. Talk to your doctor if the dizziness persists.
A slightly slower heart rate is normal with this medicine. However, if your pulse drops significantly or if you feel weak, dizzy, or short of breath, you should contact your doctor right away. They may need to adjust your dose or evaluate your heart health. Talk to your doctor for advice.
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