Why is this medication prescribed?

Calan SR (Generic Verapamil) is commonly prescribed to treat high blood pressure (hypertension), certain types of chest pain (angina), and certain heart rhythm disorders (such as atrial fibrillation or atrial flutter). It belongs to a class of medications known as calcium channel blockers, which work by relaxing blood vessels and slowing the heart rate to improve blood flow and reduce strain on the heart.

How should this medicine be used?

Calan SR (Generic Verapamil) is typically used to treat conditions such as high blood pressure (hypertension), chest pain (angina), and certain heart rhythm disorders. Here’s a general guideline on how it should be used:

• Dosage: The dosage of Calan SR prescribed by your healthcare provider will depend on your medical condition, response to treatment, and other medications you may be taking. Always follow your doctor’s instructions carefully.
• Administration: Calan SR is usually taken orally, either with food or without food, as directed by your doctor. The tablets should be swallowed whole with a full glass of water, and should not be crushed or chewed unless your healthcare provider advises otherwise.
• Timing: Calan SR is typically taken once daily, but the specific timing may vary depending on your condition and individual response to the medication. It’s important to take it at the same time each day to maintain a consistent level of the drug in your body.
• Duration: Continue taking Calan SR for the full duration prescribed by your doctor, even if you start feeling better. Stopping the medication abruptly can lead to adverse effects or worsening of your condition.
• Monitoring: Your doctor may periodically monitor your blood pressure, heart rate, and other relevant parameters to assess the effectiveness of Calan SR and adjust your dosage if necessary.
• Adherence: It’s important to take Calan SR exactly as prescribed by your doctor. Missing doses or taking more than the prescribed amount can increase the risk of side effects and may not improve your condition any faster.
• Consultation: If you have any questions or concerns about the use of Calan SR, including potential side effects or interactions with other medications, don’t hesitate to consult your healthcare provider for guidance.

Always remember that the information provided here is for general guidance, and individual circumstances may vary. It’s essential to follow your doctor’s specific instructions and recommendations regarding the use of Calan SR for your particular condition.

Other uses for this medicine

Calan SR (Generic Verapamil) may have other off-label uses beyond its primary indications for treating high blood pressure, chest pain, and certain heart rhythm disorders. Some healthcare providers may prescribe it for conditions such as migraines, cluster headaches, and certain types of tremors. However, the use of Calan SR for these purposes should be done under the guidance and supervision of a healthcare professional.

What special precautions should I follow?

As for special precautions, here are some important points to consider when taking Calan SR:

• Allergies: Inform your healthcare provider if you have any allergies to verapamil or any other medications. This medication may contain inactive ingredients that can cause allergic reactions or other problems.
• Medical History: Provide your doctor with your complete medical history, especially if you have a history of certain heart conditions (such as heart failure, atrioventricular block), liver disease, kidney disease, certain muscle diseases (myasthenia gravis), or a recent heart attack.
• Drug Interactions: Inform your doctor about all prescription, over-the-counter, and herbal medications you are taking, as well as any supplements or vitamins. Calan SR can interact with other medications, including certain antibiotics, antifungal drugs, cholesterol-lowering medications, HIV protease inhibitors, and others. These interactions can affect how Calan SR works or increase the risk of side effects.
• Pregnancy and Breastfeeding: If you are pregnant, planning to become pregnant, or breastfeeding, discuss the risks and benefits of using Calan SR with your doctor. This medication may harm an unborn baby or pass into breast milk, potentially causing harm to a nursing infant.
• Grapefruit Interaction: Avoid consuming grapefruit or grapefruit juice while taking Calan SR, as it can interact with the medication and lead to potentially harmful effects.
• Alcohol: Limit or avoid alcohol consumption while taking Calan SR, as alcohol can increase the risk of side effects such as dizziness or lightheadedness.
• Driving and Machinery: Be cautious when driving or operating machinery, as Calan SR may cause dizziness or drowsiness. Avoid activities that require alertness until you know how this medication affects you.
• Monitoring: Your doctor may periodically monitor your blood pressure, heart rate, liver function, and other relevant parameters while you are taking Calan SR to ensure that the medication is working effectively and to monitor for any potential side effects.

Always follow your doctor’s instructions and recommendations regarding the use of Calan SR, and don’t hesitate to ask any questions or voice any concerns you may have about the medication.

What special dietary instructions should I follow?

There are no specific dietary restrictions associated with taking Calan SR. However, maintaining a healthy diet low in sodium and saturated fats can complement the treatment of conditions like high blood pressure and heart disease. It’s also essential to stay hydrated by drinking an adequate amount of water, especially if you experience any side effects such as dizziness or lightheadedness while taking Calan SR.

What should I do if I forget a dose?

If you forget to take a dose of Calan SR, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one. Taking too much medication at once can increase the risk of side effects.

What side effects can this medication cause?

Calan SR (Generic Verapamil) may cause side effects in some individuals. It’s essential to be aware of these potential side effects and to promptly report any unusual symptoms to your healthcare provider. Common side effects of Calan SR include:

• Dizziness: Feeling lightheaded or dizzy is a common side effect of Calan SR. This may occur, especially when standing up from a sitting or lying position.
• Headache: Some individuals may experience headaches while taking Calan SR.
• Constipation: Calan SR can cause constipation in some people.
• Nausea or Upset Stomach: Some individuals may experience nausea, vomiting, or stomach discomfort.
• Fatigue: Feeling tired or fatigued is another potential side effect of Calan SR.
• Flushing: Some individuals may experience flushing or warmth in the face and neck.
• Swelling: Calan SR may cause swelling in the ankles, feet, or hands due to fluid retention.
• Low Blood Pressure: In some cases, Calan SR may cause low blood pressure, leading to symptoms such as weakness, fainting, or blurry vision.
• Bradycardia: Calan SR may slow down the heart rate in some individuals, leading to bradycardia (slow heart rate).
• Heart Rhythm Changes: In rare cases, Calan SR may cause changes in heart rhythm, such as atrioventricular (AV) block or other arrhythmias.
• Allergic Reactions: Although rare, allergic reactions to Calan SR can occur. Seek immediate medical attention if you experience symptoms such as rash, itching, swelling, severe dizziness, or trouble breathing.
• Liver Problems: Calan SR may rarely cause liver problems. Contact your healthcare provider if you experience symptoms such as yellowing of the skin or eyes (jaundice), dark urine, or persistent nausea or vomiting.

These are not all possible side effects of Calan SR. Some individuals may experience other side effects not listed here. If you experience any new or worsening symptoms while taking Calan SR, it’s essential to inform your healthcare provider promptly. They can assess your symptoms and determine whether any adjustments to your treatment are necessary.

What should I know about storage and disposal of this medication?

Storage and disposal of Calan SR:

• Storage: Store Calan SR tablets at room temperature away from light and moisture. Avoid storing them in the bathroom. Keep the medication out of reach of children and pets.
• Disposal: Dispose of expired or unused Calan SR tablets properly according to local regulations or guidelines. Do not flush them down the toilet or pour them into a drain unless instructed to do so. Consult your pharmacist or local waste disposal company for proper disposal instructions.

In case of emergency/overdose

• Seek Medical Help: If you suspect an overdose of Calan SR, or if someone has accidentally ingested the medication, seek immediate medical attention or contact your local poison control center.
• Symptoms of Overdose: Symptoms of Calan SR overdose may include severe dizziness, fainting, difficulty breathing, slow or irregular heartbeat, confusion, or seizures.
• Do Not Induce Vomiting: Do not try to induce vomiting unless instructed to do so by medical personnel.

What other information should I know?

• Regular Monitoring: Your doctor may need to monitor your blood pressure, heart rate, and other relevant parameters periodically while you are taking Calan SR to ensure that the medication is working effectively and to monitor for any potential side effects.
• Avoid Skipping Doses: Take Calan SR exactly as prescribed by your doctor. Avoid skipping doses or stopping the medication abruptly, as this can lead to adverse effects or worsening of your condition.
• Follow-up Visits: Attend all scheduled follow-up appointments with your healthcare provider to monitor your progress and discuss any concerns or questions you may have about your treatment.
• Inform Healthcare Providers: Inform all healthcare providers involved in your care, including dentists and pharmacists, that you are taking Calan SR. This medication may interact with other medications or treatments, so it’s essential to provide comprehensive information about your current medications.
• Avoid Alcohol: Limit or avoid alcohol consumption while taking Calan SR, as alcohol can increase the risk of side effects such as dizziness or lightheadedness.
• Do Not Share Medication: Do not share your Calan SR medication with others, even if they have similar symptoms. This medication is prescribed based on individual medical conditions and needs.
• Keep a List of Medications: Keep a list of all medications you are taking, including prescription drugs, over-the-counter medications, vitamins, and herbal supplements. This information can be helpful for healthcare providers in case of emergencies or when prescribing new medications.

By following these guidelines and staying informed about your medication, you can safely and effectively manage your treatment with Calan SR. If you have any questions or concerns, don’t hesitate to discuss them with your healthcare provider.