Honest drug prices & Medicare plan facts. Straight from federal data.
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Diltiazem: what pharmacies actually pay

Prices below are the National Average Drug Acquisition Cost (NADAC) — the federal government's weekly survey of what pharmacies actually pay their wholesalers, as of 07/22/2026. Your pharmacy's cash price includes their markup and dispensing cost, so it will be higher — but if it's many times this number, that's a signal to shop around.

Form & strengthPharmacy costUnitType
DILTIAZEM 120 MG TABLET$0.10per tablet/unitGeneric
DILTIAZEM 12HR ER 120 MG CAP$2.07per tablet/unitGeneric
DILTIAZEM 12HR ER 60 MG CAP$1.55per tablet/unitGeneric
DILTIAZEM 12HR ER 90 MG CAP$1.83per tablet/unitGeneric
DILTIAZEM 24H ER(CD) 120 MG CP$0.15per tablet/unitGeneric
DILTIAZEM 24H ER(CD) 180 MG CP$0.18per tablet/unitGeneric
DILTIAZEM 24H ER(CD) 240 MG CP$0.19per tablet/unitGeneric
DILTIAZEM 24H ER(CD) 300 MG CP$0.29per tablet/unitGeneric
DILTIAZEM 24H ER(CD) 360 MG CP$0.36per tablet/unitGeneric
DILTIAZEM 24H ER(LA) 120 MG TB$1.30per tablet/unitGeneric
DILTIAZEM 24H ER(LA) 180 MG TB$0.99per tablet/unitGeneric
DILTIAZEM 24H ER(LA) 240 MG TB$1.06per tablet/unitGeneric
DILTIAZEM 24H ER(LA) 300 MG TB$1.82per tablet/unitGeneric
DILTIAZEM 24H ER(LA) 360 MG TB$2.07per tablet/unitGeneric
DILTIAZEM 24H ER(LA) 420 MG TB$2.50per tablet/unitGeneric
DILTIAZEM 24H ER(XR) 120 MG CP$0.30per tablet/unitGeneric
DILTIAZEM 24H ER(XR) 180 MG CP$0.35per tablet/unitGeneric
DILTIAZEM 24H ER(XR) 240 MG CP$0.49per tablet/unitGeneric
DILTIAZEM 30 MG TABLET$0.05per tablet/unitGeneric
DILTIAZEM 60 MG TABLET$0.07per tablet/unitGeneric
DILTIAZEM 90 MG TABLET$0.07per tablet/unitGeneric

Rough math: a typical 30-day supply of one tablet/day equals 30× the per-unit cost.

This is pricing information, not medical advice. Talk to your doctor or pharmacist before changing any medication.

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