Tiazac is a brand-name extended-release prescription drug that treats primary hypertension (or high blood pressure) that has no direct cause. The active ingredient in Tiazac, diltiazem, is a calcium channel blocker. It reduces the strength of the heart's contractions and relaxes and widens the blood vessels. The price for Tiazac is $84.66, but the price with a SingleCare Tiazac coupon is only $13.74.
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SingleCare’s prescription prices are based on multiple sources. The prices we publish are our best estimate, but we cannot guarantee that the price we display will exactly match the price you receive at the pharmacy. For an exact price, please contact your pharmacy and provide the BIN/GRP/PCN numbers shown on your SingleCare card.
Any SingleCare bonus savings, including the $3 signup bonus, may only be used once.
Prices updated: 05/05/2026
Tiazac is a brand-name extended-release prescription drug that treats primary hypertension (or high blood pressure) that has no direct cause. The active ingredient in Tiazac, diltiazem, is a calcium channel blocker. It reduces the strength of the heart's contractions and relaxes and widens the blood vessels. The price for Tiazac is $84.66, but the price with a SingleCare Tiazac coupon is only $13.74.
Our price history metrics are calculated from aggregate prescription data that we receive from all participating pharmacies. This chart updates daily to show new price fluctuations. If a data point is missing from the chart, it is because we do not have enough data to produce a reliable figure.
| Pharmacy | Diltiazem Hcl Er Beads Retail Price | Diltiazem Hcl Er Beads SingleCare Price |
|---|---|---|
| CVS Pharmacy | $30.06 | $12.15 |
| Walmart | $11.70 | $11.70 |
| Walgreens | $33.90 | $14.40 |
| Kroger Pharmacy | $29.40 | $11.40 |
| Albertsons Pharmacy | $19.80 | $14.40 |
These prices are based on the last month of SingleCare prescription fill data by major pharmacy. This table updates daily to show the most accurate typical prices by pharmacies. If a data point is missing from the table, it is because we do not have enough data to produce a reliable figure.
Tiazac is a brand-name extended-release prescription drug that treats primary hypertension (or high blood pressure) that has no direct cause. The active ingredient in Tiazac, diltiazem, is a calcium channel blocker. It reduces the strength of the heart's contractions and relaxes and widens the blood vessels. The price for Tiazac is $84.66, but the price with a SingleCare Tiazac coupon is only $13.74.
Uninsured customers pay an average of $84.66 per 30, 120mg capsules, but Tiazac prices can vary. Visit a nearby participating pharmacy and pay only $13.74 with a SingleCare Tiazac coupon. Your SingleCare discount card can reduce your prescription drug prices by up to 80%.
Your copay for Tiazac with insurance will vary depending on your plan. Ask your pharmacist to compare your insurance copay to SingleCare. You may find your SingleCare discount card saves you money—with SingleCare, Tiazac costs only $13.74.
Tiazac is usually covered by Medicare Advantage and Medicare Part D prescription drug plans. For patients without Medicare, a SingleCare Tiazac coupon offers significant savings at major pharmacies: CVS, Target, Harris Teeter, and many others.
Tiazac is a brand-name prescription drug with the active ingredient, diltiazem hydrochloride. Generic versions are available under the name extended-release diltiazem hydrochloride manufactured by Sun, Sandoz, and others.
Tiazac is an extended-release blood pressure reducing drug, or antihypertensive, for patients with high blood pressure not due to illness or some other cause. Tiazac is also used to prevent heart pain (angina) in patients with chronic stable angina. Tiazac is a generic version of Cardizem XT. Tiazac relaxes the muscles of the heart and dilates blood vessels. The combined effect is to lower blood pressure.
The active ingredient in Tiazac, diltiazem, belongs to a class of blood pressure reducing medications called calcium channel blockers. The “calcium channel” is a process that powers the electrical signals that pass through nerves and activate muscles to contract. Among the many consequences of blocking this process is a reduction in the strength of the heart and the strength of blood vessels. When the heart beats with less strength, blood pressure goes down. As the muscles in the blood vessels lose strength, blood vessels get wider, and blood pressure goes down.
Tiazac is taken as a capsule once daily. The dose will depend on the severity and responsiveness of the underlying condition.
The most common physical side effects include, but are not limited to, swelling in the feet, ankles, or hands, slow heartbeat, palpitations, flushing, dizziness, sore throat, stuffy nose, and coughing. Mental and mood changes include agitation, depression, and unusual dreams. Allergic reactions are rare and include trouble breathing.
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SingleCare is a prescription discount service that offers free coupons on thousands of prescription drugs. It can be used whether you have insurance, Medicare, Medicaid, or none of the above, but it cannot be combined with insurance.
SingleCare provides transparent drug pricing, so you can compare discounts at pharmacies near you. Browse singlecare.com to find drug discounts, helpful information about your prescription, and resources to help you make informed health decisions.
Prescription savings vary by prescription and by pharmacy, and may reach up to 80% off cash price. This is a medical discount plan. This is NOT insurance. This program offers you the opportunity to locate providers of various types of medical services who will offer their services to you at discounted rates. The range of discounts for medical or ancillary services provided under the plan will vary depending on the type of provider and service received. You are fully responsible for paying for all health care services but will be entitled to receive a discount from those health care providers in accordance with the specific pre-negotiated discounted fee schedule. This program does not guarantee the quality of the services or procedures offered by the providers. Except for prescription drugs which you will pay directly to the pharmacy at the time of purchase, all other services received through a program provider will be charged to the credit card on file in your member account. The charge will include an administrative fee for use of the program. Towers Administrators LLC is the licensed discount medical plan organization with its administrative office located at 4510 Cox Road, Suite 111, Glen Allen, VA 23060. SingleCare Services, LLC is the marketer of the discount medical plan organization including its website, singlecare.com, with its corporate office located at 99 High Street, Suite 2800, Boston, MA 02110. For additional information, including an up-to-date list of providers, or assistance with any issue related to program membership, please contact member support any time at www.singlecare.com, or by calling toll-free 844-234-3057, 24 hours, 7 days a week (except major holidays). Pharmacy names, logos, brands, and other trademarks are the property of their respective owners.
Blog articles are not medical advice. They are intended for general informational purposes and are not meant to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. If you think you may have a medical emergency, immediately call your physician or dial 911.
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© 2026 SingleCare Administrators. All rights reserved