Calan SR Extended-Release Verapamil for Cardiovascular Conditions

Calan SR contains extended-release verapamil, a calcium-channel blocker prescribed for hypertension, chronic angina, and selected supraventricular rhythm disorders. It affects blood vessels and cardiac conduction and should be used only under cardiovascular supervision. Calan SR price varies by strength and pharmacy, but cost must not cause an unsupervised change in an extended-release medicine.

Indications

Calan SR may be prescribed for high blood pressure, angina, or certain arrhythmias when a clinician determines it is appropriate. It is not a rescue treatment for new chest pain. Patients should buy Calan SR only with a valid prescription. Patients should buy Calan SR from a regulated pharmacy that can confirm the extended-release product.

Dosage

Take Calan SR exactly as prescribed. Swallow extended-release tablets whole; do not crush, chew, or split unless the pharmacist confirms the specific product permits it. Dose and frequency depend on the indication and response. Patients with a valid prescription can buy Calan SR 120 mg, 180 mg, or 240 mg only when the strength matches the prescribed regimen. Do not double a missed dose. Calan SR price must not prompt a formulation switch.

Safety Information

Constipation, dizziness, headache, nausea, low blood pressure, swelling, and slow pulse can occur. Seek urgent care for fainting, chest pain, shortness of breath, fast or irregular heartbeat, severe swelling, jaundice, or severe allergic reaction. Verapamil may be contraindicated in certain conduction disorders, severe hypotension, or heart-failure situations without specialist direction.

Tell the prescriber about heart failure, low blood pressure, liver disease, pregnancy, breastfeeding, and all medicines. Avoid grapefruit unless the clinician says it is appropriate. Patients who buy Calan SR should monitor blood pressure and pulse as directed. Calan SR price is secondary to cardiac safety.

Interactions

Beta blockers, digoxin, antiarrhythmics, lithium, carbamazepine, theophylline, statins, macrolide antibiotics, and CYP3A4 inhibitors require review. Patients should buy Calan SR through a pharmacy that can screen interactions. Calan SR price can be discussed with the care team, while treatment changes require prescriber direction.

Medical disclaimer: This content is for informational purposes only and does not replace advice, diagnosis, or treatment from a licensed healthcare professional. It is not a substitute for approved prescribing information or emergency care. Patients should follow their prescriber's directions and consult their healthcare professional about personal medical decisions, symptoms, medicines, monitoring, and treatment changes.