Calaptin SR

✅ Blood pressure management
✅ Chest pain relief
✅ Heart rhythm stabilization
✅ Improved cardiac function
✅ Angina prevention

Calaptin SR contains Verapamil.

Product Overview

Calaptin SR is a medication containing the active ingredient Verapamil. It is formulated as a prolonged-release tablet, designed to deliver the medication gradually over an extended period. Verapamil is classified as a calcium channel blocker and is commonly prescribed to manage various cardiovascular conditions. Calaptin SR helps regulate blood pressure, treat angina (chest pain), and control certain heart rhythm disorders by relaxing blood vessels and reducing the workload on the heart.


Calaptin SR is primarily used to treat hypertension (high blood pressure) by lowering blood pressure and improving blood flow. It is also effective in managing chronic stable angina, reducing the frequency and severity of angina episodes. Additionally, Calaptin SR may be prescribed to control certain heart rhythm disorders, such as atrial fibrillation or atrial flutter, by regulating heart rate and rhythm.

How to Use

Calaptin SR tablets should be taken orally as directed by your healthcare provider, usually once daily with a full glass of water. It is important to swallow the tablets whole and not crush, chew, or break them, as this can affect the prolonged-release mechanism. Calaptin SR can be taken with or without food, but it should be taken consistently with respect to meals. Follow your doctor’s instructions carefully regarding dosage and timing.

How it Works

Verapamil, the active ingredient in Calaptin SR, works by blocking calcium channels in the smooth muscle cells of blood vessels and the heart. This action leads to relaxation of the blood vessels, which results in vasodilation and decreased peripheral resistance, thereby lowering blood pressure. Verapamil also reduces the workload on the heart and improves blood flow to the myocardium, relieving angina symptoms. Additionally, it slows down the conduction of electrical impulses in the heart, helping to regulate heart rate and rhythm.

Dosage and Administration

The dosage of Calaptin SR is individualized based on the patient’s condition and response to treatment. It is typically started at a low dose and may be gradually increased under the supervision of a healthcare provider. The usual starting dose for adults is 180 mg once daily, taken in the morning. Your doctor may adjust the dosage as needed, but do not exceed the recommended dose without consulting your doctor.


  • Effectively lowers blood pressure and reduces the risk of cardiovascular events
  • Relieves symptoms of angina and improves exercise tolerance
  • Helps regulate heart rhythm in certain arrhythmias
  • Convenient once-daily dosing regimen with prolonged-release formulation
  • Well-tolerated with a low incidence of side effects

Common Side Effects

Common side effects of Calaptin SR may include constipation, dizziness, headache, fatigue, and nausea. These side effects are usually mild and transient, resolving with continued use or dose adjustment. However, if you experience any persistent or severe side effects, contact your healthcare provider for further guidance.


Calaptin SR should be used with caution in patients with certain medical conditions, including heart failure, liver or kidney disease, or low blood pressure. It may interact with other medications, such as beta-blockers, digoxin, and statins, so inform your doctor of all the medications you are taking. Avoid consuming grapefruit or grapefruit juice while taking Calaptin SR, as it may increase the risk of side effects. Do not stop taking Calaptin SR abruptly without consulting your doctor, as it may lead to rebound hypertension or worsening of angina symptoms.

Storage Information

Store Calaptin SR tablets at room temperature away from moisture and heat. Keep the medication out of reach of children and pets. Do not use Calaptin SR if the packaging is torn or shows signs of tampering. Proper storage ensures the stability and effectiveness of the medication.


Our sole intention is to ensure that its consumers get information that is expert-reviewed, accurate, and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover all possible side effects, drug interactions, or warnings or alerts. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.


120 mg, 240 mg


30 Tablet/s, 60 Tablet/s, 90 Tablet/s, 180 Tablet/s


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