Buy Calan SR (Verapamil SR)

TypeDrug NameDosagePrice from 
drug typeCalan SR180 mg$301.99
drug typeCalan SR240 mg$187.99

Generic Equivalent of Calan SR

TypeDrug NameDosagePrice from 
drug typeVerapamil SR120 mg$107.99
drug typeVerapamil SR180 mg$73.99
drug typeVerapamil SR240 mg$77.99

Calan SR Information

How And Where To Buy Calan SR Online?

Buy Calan SR and its generic Verapamil SR online through Canadian Pharmacy World with a valid prescription from your doctor. We also offer a significant discount on other Blood Pressure Medications (Calcium & Beta Blockers). Our Canadian international pharmacy offers free shipping on all orders to the US. For more information and further assistance, please call Customer Service at 1866-485-7979 or email us.

Are there Alternative Names for the Brand Calan SR?

Calan SR comes from Canada also called Isoptin SR, manufactured by BGP Pharma. Calan SR also comes from India (called Calaptin SR), and Turkey (called Isoptin SR) manufactured by Abbott. The generic Verapamil SR comes from Canada and the United Kingdom and is manufactured by different manufacturers.

What Dosages and Forms are Calan SR Available in?

Calan SR is available in the strength of 180 mg and 240 mg tablets. The generic Verapamil is available in the strength of 120 mg, 180 mg, and 240 mg tablets.

What is Calan SR Used for?

Calan SR (Verapamil SR) is a prescription medicine used to treat high blood pressure (hypertension), angina (chest pain), and certain heart rhythm disorders. The active ingredient in Calan SR is Verapamil. Verapamil belongs to the group of medicine called Calcium channel blockers. It works by relaxing blood vessels so blood can flow more easily. Verapamil may also lower your heart rate. Lowering elevated blood pressure prevents kidney disease, stroke and heart failure.

What are the Possible Side Effects of Calan SR?

If you experience any of the following common side effects, contact your doctor or pharmacist immediately:
• Constipation;
• Dizziness;
• Dyspepsia;
• Dyspnea;
• Gingival hyperplasia;
• Headache;
• Hypotension;
• Nausea;
• Rash;
• Sleep disturbance;
• Slow heartbeat;

Stop using Calan SR and contact your doctor right away if you have any of the severe side effects such as:
• Abnormal ECG results;
• Dark color urine;
• Elevated liver enzymes;
• Severe stomach pain;
• Symptoms of heart failure such as leg swelling, unusual tiredness, unusual weight gain, very low heartbeat;
• Vomiting that doesn't stop;
• Yellowness of the eyes

This is not a complete list of the adverse effect of Calan SR. Kindly reach out to your doctor or pharmacist if any of the above-listed side effects last longer than usual or get worse.

Are there any Precautions and Drug Interactions for Calan SR?

Before taking the Verapamil tablet, it would be best to inform your doctor or pharmacist if you are allergic to it; or have any other allergies. You should use this medication as prescribed by your doctor or pharmacist. It would be best if you did not stop using Calan SR suddenly. Stopping suddenly may make your condition worse. If you are being treated for high blood pressure, keep using this medication even if you feel well. High blood pressure often has no symptoms. You may need to use blood pressure medication for the rest of your life.
Verapamil SR (Calan SR) doesn't allow your body to remove alcohol as it should. This can lead to high levels of alcohol in your blood and longer-lasting effects of alcohol on your body. For your safety, limit alcohol use and let your healthcare provider know if you have a history of alcohol use. Do not drive, use machinery, or do anything that needs alertness until you safely do it. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).

You should not take Calan SR and inform your doctor about your medical history, especially if you have or have had:
• A nerve-muscle disorder such as myasthenia gravis or muscular dystrophy;
• Congestive heart failure;
• Kidney diseases;
• Liver problems

It is not known whether Calan SR (Verapamil) will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant. Verapamil can pass into breast milk and may cause side effects in the nursing baby. It would help if you did not breastfeed while using this medicine.

Tell your doctor about all the medications you use, including prescriptions, over-the-counter medications, herbal products, and vitamin supplements to prevent drug interactions, which might be fatal to your health. This drug interaction may make your drug less effective, cause adverse effects, or potentiate other drugs' action. There may be a drug interaction between Verapamil (Calan SR) and other medications such as:
• Aliskiren;
• Clonidine;
• Dantrolene;
• Erythromycin;
• Flibanserin;
• Lithium;
• Lomitapide;
• Lonafarnib;
• Pimozide

Calan SR Storage and Safety Information

Store Verapamil SR at room temperature in a place away from heat, light, and moisture. Close your medication bottle tightly and keep it out of reach from children at all times.

Blog Post

15 Most Frequently Asked Questions in the Pharmacy 2021

The content on this page has been supplied to by an independent third party contracted to provide information for our website. relies on these third parties to create and maintain this information and cannot guarantee the accuracy or reliability of the information that has been provided to us.

The drug information provided here is only a summary and does not contain all the list of possible side effects and drug interactions regarding this medication. Be sure to contact your doctor or pharmacist if you have any specific question or concern. If you require any advice or information about the drugs on this page, a medical condition or treatment advice, you should always speak to a healthcare professional.

Please note that not all products, including any referenced in this page, are shipped by our affiliated Canadian Pharmacy. We are affiliated with other dispensaries that ship product to our customers from the following jurisdictions: Canada, Singapore, New Zealand, Turkey, Mauritius, India, and United Kingdom. The items in your order maybe shipped from any of the above jurisdictions. The products are sourced from various countries as well as those listed above. Rest assured, we only affiliate with our authorized dispensaries that procure product through reliable sources.

Reviews From Real Customers
twitter facebook
phone 1-866-485-7979
fax 1-866-486-7979
hours Weekdays: 5:30AM - 8:00PM (PST)
Weekends: 7:00AM - 3:30PM (PST)
ID#: 18985
Phone: 604-543-8711
Pharmacy Manager: Carol Hou.
Unit #202A,
8322-130th Street,
Surrey, British Columbia,
Canada V3W 8J9.
Prescriptions dispensed from Canada are dispensed by: Candrug Pharmacy, ID#18985 604-543-8711. Pharmacy Manager: Carol Hou. Pharmacy Address: Unit #202A, 8322-130th Street, Surrey, British Columbia, Canada V3W 8J9. This pharmacy is duly licensed in the province of British Columbia, Canada by the College of Pharmacists of BC. If you have any questions or concerns you can contact the college at: 200-1765 West 8th Ave Vancouver, BC V6J 5C6 Canada.
In addition to having your prescriptions dispenseding from our affiliated Canadian dispensing pharmacy, your medications are also dispensed from international pharmacies and fulfillment centers that are approved by the regulatory bodies from in their respective countries. works with dispenses medications from fulfillment centers around the world in a variety of countries including and but not limited to Canada, Singapore, New Zealand, Australia, Turkey, Mauritius, India, and the United Kingdom.