Prescription savings
Stop paying too much for your prescriptions. Compare prices, get pharmacy coupons, and save up to 80%.Resources
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Medication discounts

Get Diltiazem ER (Cardizem CD) for as low as $13.87, which is 56% off the average retail price of $31.41 for the most common version, by using a GoodRx coupon.


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Pricing is calculated based on your prescription details.
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 120mg | 30 capsules | N/A | $16.06 |
| 180mg | 90 capsules | N/A | $33.85 |
| 240mg | 90 capsules | $99.88 | $34.72 |
| 300mg | 90 capsules | $138.64 | $44.05 |
| 360mg | 90 capsules | $266.97 | $44.34 |
250+ medications are free, with hundreds more under $10. Plans start at $9.99/mo. (when paid yearly). Terms apply.
GoodRx coupon prices last updated on 08/26/26.