CALAN SR vs DILTIAZEM HYDROCHLORIDE
Independent side-by-side comparison.
Possible drug interaction. CALAN SR and DILTIAZEM HYDROCHLORIDE are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.
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Frequently asked questions
Which is cheaper, Calan SR or Diltiazem Hydrochloride?
Calan SR costs pharmacies less to acquire — about $5.71 vs $9.18 for a 30-count supply, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.
What is the difference between Calan SR and Diltiazem Hydrochloride?
Calan SR contains Verapamil Hydrochloride, while Diltiazem Hydrochloride contains Diltiazem Hydrochloride — they have different active ingredients.
Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.