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Get Diltiazem ER (Cardizem CD) for as low as $9.98, which is 77% off the average retail price of $42.93 for the most common version, by using a GoodRx coupon.
Popular offers
Get an extra $10.00 off Diltiazem ER (Cardizem CD) and up to 90% off all prescriptions. Gold plans start at just $9.99/mo. Cancel any time.*
GoodRx coupon prices last updated on 04/26/26.
*Prices subject to change without notice. Sales tax may apply and is not included.
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 120mg | 30 capsules | N/A | $9.98 |
| 180mg | 90 capsules | $42.08 | $23.85 |
| 240mg | 90 capsules | $104.73 | $34.29 |
| 300mg | 90 capsules | $167.77 | $44.82 |
| 360mg | 90 capsules | $270.00 | $34.34 |
