120mg · 30-count · Blood Pressure · Brand: Cardizem CD · Generic available
| Pharmacy | Cash Price | Per-30-Day Equiv. |
|---|---|---|
| Costco Cheapest | $15.75 | $15.75 |
| Walmart | $17.83 | $17.83 |
| Kroger | $20.20 | $20.20 |
| Target | $23.18 | $23.18 |
| Rite Aid | $63.88 | $63.88 |
| CVS | $66.85 | $66.85 |
| Walgreens | $71.31 | $71.31 |
The generic form of Diltiazem (Diltiazem HCl ER) contains the same active ingredient and is bioequivalent to the brand. Ask your pharmacist to dispense the generic — it works the same way, typically at a fraction of the brand-name cost.
Tip: In most states, pharmacists can substitute a generic unless your prescriber writes "dispense as written" (DAW).
Diltiazem (120mg) is sold under the brand name Cardizem CD and the generic Diltiazem HCl ER. A standard supply tracked here is 30 units at 120mg.
Pharmacy pricing is not regulated in the United States, so retailers set their own cash prices. Large retailers like Walmart and Costco typically offer lower prices on generics because they use prescriptions as a traffic driver. Chain pharmacies like CVS and Walgreens tend to charge more for the same medication.
Blood pressure medications are typically taken long-term, so even small per-refill savings compound significantly over a year.
Diltiazem belongs to a class of medications called calcium channel blockers (non-dihydropyridine subtype). Unlike amlodipine and other dihydropyridine calcium channel blockers, this subtype also slows heart rate, which is why it's prescribed not just for blood pressure but also for certain heart rhythm conditions — an important distinction if you're comparing it to a different calcium channel blocker your prescriber could have chosen instead.
Shop around. The cheapest pharmacy tracked here (Costco at $15.75) charges meaningfully less than the most expensive option ($71.31). A quick call can save real money.
Ask for the generic. If your doctor prescribed the brand-name Cardizem CD, ask your pharmacist whether a generic is available. In most states, pharmacists can substitute a generic unless the prescriber writes "dispense as written."
Use a discount card. Services like GoodRx, SingleCare, and WellRx can sometimes negotiate prices lower than retail cash. The estimated low price for Diltiazem is around $13.70.
Diltiazem has been generic for years across its various extended-release formulations, with no manufacturer copay card involved — the cash prices above reflect standard generic-tier pricing for this drug class.
Coverage depends on your specific plan and formulary. Most medications in this category are covered under standard health insurance, typically in Tier 1 or Tier 2. If your copay is higher than the cash price above, it may be cheaper to pay out of pocket — ask your pharmacist to compare. Prior authorization is uncommon for standard diltiazem formulations, though some extended-release brand versions may face more scrutiny than the base generic — ask your pharmacist which formulation is being dispensed.
Prices shown are estimated retail cash prices modeled from CMS's public NADAC (National Average Drug Acquisition Cost) dataset, cross-referenced against typical major-chain retail markups. Actual prices vary by location and change frequently. RxCostCheck does not collect or sell your health data. Learn more →
How much does Diltiazem cost without insurance?
Without insurance, Diltiazem (120mg) ranges from $15.75 at Costco to $71.31 at Walgreens. With a discount card, the price can be as low as $13.70.
Where is the cheapest place to fill Diltiazem?
Costco typically offers the lowest estimated cash price at $15.75 for 30 120mg.
Is there a generic for Diltiazem?
Yes — the generic Diltiazem HCl ER is available and bioequivalent to Cardizem CD. Ask your pharmacist to dispense the generic to save money.
What if my insurance doesn't cover Diltiazem at all?
Ask your prescriber whether a covered therapeutic alternative in the same drug class exists, or ask your pharmacist about a formulary exception or medical-necessity appeal — some plans will cover an otherwise-excluded drug once that documentation is on file. In the meantime, the cash and discount-card pricing shown above is usually the fastest fallback.
Does a 90-day supply of Diltiazem cost less than three 30-day fills?
Often, yes — many pharmacies and insurance plans price a 90-day fill at a lower effective per-dose cost than separate 30-day fills, and some mail-order pharmacy benefits are built specifically around 90-day supplies. Ask your pharmacist or insurer whether a 90-day option is available for this medication before assuming the count shown above is your only choice.
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