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Get Diltiazem ER (Cardizem LA) for as low as $28.73, which is 73% off the average retail price of $107.00 for the most common version, by using a GoodRx coupon.

| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 120mg | 30 tablets | $122.87 | $28.73 |
| 180mg | 30 tablets | $111.02 | $26.90 |
| 240mg | 30 tablets | $63.50 | $28.95 |
| 300mg | 30 tablets | $203.12 | $35.14 |
| 360mg | 30 tablets | $93.33 | $34.95 |
| 420mg | 30 tablets | $150.47 | $38.62 |
Get an extra $7.50 off Diltiazem ER (Cardizem LA) and up to 90% off all prescriptions. Gold plans start at just $9.99/mo. Cancel any time.*
GoodRx coupon prices last updated on 05/01/26.
*Prices subject to change without notice. Sales tax may apply and is not included.