Diltiazem price at Cost Plus Drugs
The cash price for Diltiazem at Mark Cuban Cost Plus Drug Company, PBC, without insurance, for each strength they sell. Then see how it compares with what 2027 Medicare plans near you would charge.
Diltiazem at Cost Plus Drugs
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Diltiazem HCl 30mg Tablet$6.45 for 30 · $9.35 for 90 + $5.25 shipping per orderAbout $58 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl 60mg Tablet$7.92 for 30 · $13.77 for 90 + $5.25 shipping per orderAbout $76 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl ER 60mg Capsule Extended Release$32.86 for 30 · $88.58 for 90 + $5.25 shipping per orderAbout $375 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl 90mg Tablet$7.77 for 30 · $13.30 for 90 + $5.25 shipping per orderAbout $74 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl ER 90mg Capsule Extended Release$39.22 for 30 · $107.65 for 90 + $5.25 shipping per orderAbout $452 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl 120mg Tablet$8.79 for 30 · $16.38 for 90 + $5.25 shipping per orderAbout $87 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl ER 120mg Capsule Extended Release$36.02 for 30 · $98.07 for 90 + $5.25 shipping per orderAbout $413 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl ER 120mg Capsule Extended Release$12.68 for 30 · $28.04 for 90 + $5.25 shipping per orderAbout $133 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl ER Coated Beads 120mg Extended Release Capsule$8.21 for 30 · $14.64 for 90 + $5.25 shipping per orderAbout $80 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl LA 120mg Extended Release Tablet$24.76 for 30 · $64.27 for 90 + $5.25 shipping per orderAbout $278 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl ER Coated Beads 180mg Extended Release Capsule$10.94 for 30 · $22.83 for 90 + $5.25 shipping per orderAbout $112 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl LA 180mg Extended Release Tablet$25.29 for 30 · $65.86 for 90 + $5.25 shipping per orderAbout $284 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl ER 240mg Capsule Extended Release$14.17 for 30 · $32.52 for 90 + $5.25 shipping per orderAbout $151 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl ER Coated Beads 240mg Extended Release Capsule$11.61 for 30 · $24.84 for 90 + $5.25 shipping per orderAbout $120 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl LA 240mg Extended Release Tablet$32.75 for 30 · $88.25 for 90 + $5.25 shipping per orderAbout $374 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl ER Coated Beads 300mg Capsule Extended Release$12.72 for 30 · $28.17 for 90 + $5.25 shipping per orderAbout $134 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl Extended Release 300mg Capsule Extended Release 24 Hour$15.12 for 30 · $35.37 for 90 + $5.25 shipping per orderAbout $162 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl LA 300mg Extended Release Tablet$53.31 for 30 · $149.93 for 90 + $5.25 shipping per orderAbout $621 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl ER Coated Beads 360mg Extended Release Capsule$15.67 for 30 · $37.02 for 90 + $5.25 shipping per orderAbout $169 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl LA 360mg Extended Release Tablet$38.50 for 30 · $105.50 for 90 + $5.25 shipping per orderAbout $443 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
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Diltiazem HCl LA 420mg Extended Release Tablet$48.86 for 30 · $136.58 for 90 + $5.25 shipping per orderAbout $567 a year, one a day, on 90-day ordersSee this at Cost Plus Drugs ↗
Cost Plus Drugs' posted cash prices as of October 26, 2026, including their pharmacy fee. Prices can change; Cost Plus Drugs' website shows the current price. Yearly figures are estimates.
Medicare drug coverage for Diltiazem in 2027
On 286 of 286 2027 Medicare drug lists (100%), most often on tier 2.
Each Medicare drug plan, and each Medicare Advantage plan with drug coverage, uses a drug list (formulary) that CMS publishes. Being on a plan's list means the plan covers the drug; what you pay depends on the plan's tier, deductible and pharmacy. Counts are from CMS's 2027 formulary files.
Compare with Medicare plans near you
Whether Cost Plus Drugs is lower than a Medicare plan depends on the plan, your other prescriptions and your pharmacy. Enter your ZIP code on the next page to see each 2027 plan's estimated yearly cost for Diltiazem, next to the Cost Plus price.
Compare with 2027 Medicare plansAbout Diltiazem at Cost Plus Drugs
- Drug group: Muscle relaxants
- Brand-name version: Cardizem, Cardizem SR, Diltia XT, Cardizem CD, Cardizem LA, Cartia XT, Taztia XT. The prices above are for the generic unless a brand name is shown next to the strength.
- Forms sold at Cost Plus Drugs: tablet, capsule extended release, extended release capsule, extended release tablet, capsule extended release 24 hour
- Shipping: $5.25 per order, mailed to you. A prescription is required.
- Insurance: these are cash prices. Bought this way, outside your insurance, a drug generally doesn't count toward a Medicare plan's deductible or yearly out-of-pocket cap.