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Diltiazem Hcl Er Beads Capsule — prescription drug image

Diltiazem Hcl Er Beads

dilTIAZem HCl ER Beads 240MG

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What is Diltiazem Hcl Er Beads?

Tiazac is a prescription medication used to treat hypertension. Diltiazem is the generic version of Tiazac. The average cost of Tiazac is around $70 for a supply of 30, 120 mg capsules. Use our Rx.com savings offer to get great discounts on Tiazac at participating pharmacies near you.

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What is Diltiazem Hcl Er Beads ?

Tiazac is a prescription medication used to treat hypertension. Diltiazem is the generic version of Tiazac. The average cost of Tiazac is around $70 for a supply of 30, 120 mg capsules. Use our Rx.com savings offer to get great discounts on Tiazac at participating pharmacies near you.
  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Lightheadedness, dizziness, fainting
  • Rapid weight gain, swelling in your hands, ankles, or feet
  • Blistering, peeling, red skin rash
  • Slow, fast, pounding, or uneven heartbeat
  • Worsening chest pain, trouble breathing
  • Dark urine or pale stools, nausea, vomiting, loss of appetite, stomach pain, yellow skin or eyes
  • Keep all medicine out of the reach of children. Never share your medicine with anyone.
  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
  • Do not stop using this medicine suddenly without asking your doctor, or you could develop life-threatening heart problems.
  • This medicine may make you dizzy, drowsy, or lightheaded. Stand or sit up slowly if you feel lightheaded or dizzy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.
  • This medicine may cause the following problems:Worsening heart failureLiver problemsSerious skin reactions, including Stevens-Johnson syndrome, toxic epidermal necrolysis
  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, heart failure, heart rhythm problems, or stomach or bowel problems.
What is diltiazem HCl ER beads used for?
Diltiazem HCl extended-release (ER) capsules are FDA-approved to treat high blood pressure (hypertension), alone or with other blood pressure medicines, and to treat chronic stable angina (chest pain from heart disease). It works by relaxing blood vessels and reducing the heart's workload. Doctors also commonly use it off-label to help control heart rate in atrial fibrillation and related fast heart rhythms.
Is diltiazem ER the same as Cardizem CD or Cartia XT?
Yes. Diltiazem ER capsules are the generic version of the same medicine sold under brand names including Cardizem CD, Cartia XT, Dilt-CD, Dilacor XR, Tiadylt ER, and Tiazac. They contain the same active ingredient, diltiazem hydrochloride, in a once-daily extended-release form. If your pharmacy or plan lists a different brand or generic, ask your pharmacist to confirm it matches what your doctor prescribed.
Can you crush or open diltiazem extended-release bead capsules?
No. Extended-release diltiazem capsules must be swallowed whole. Chewing, crushing, or opening them can release the full dose too quickly instead of slowly over the day, which can be dangerous. If you have trouble swallowing capsules, talk to your doctor or pharmacist about other options rather than altering the capsule yourself.
What are the most common side effects of diltiazem ER?
Diltiazem can cause a slow heartbeat (bradycardia), low blood pressure, and, less often, heart block or worsening heart failure. Skin reactions such as rash can also occur, and rarely more serious skin reactions. This is not a complete list. Contact your doctor if you feel very dizzy, faint, unusually tired, short of breath, or notice a new rash, and seek urgent care for severe symptoms.
What foods, drugs, or supplements should be avoided while taking diltiazem?
Diltiazem is a moderate CYP3A4 inhibitor and interacts with many medicines, including certain statins, some benzodiazepines, and cyclosporine, and it needs extra caution when combined with beta-blockers. Grapefruit and grapefruit juice can also affect how the drug is processed. Because the list of interactions is long, tell your doctor and pharmacist about every prescription, over-the-counter product, and supplement you use before starting diltiazem.
How much does Diltiazem Hcl Er Beads cost without insurance?
The price of Diltiazem Hcl Er Beads without insurance varies by pharmacy, dosage, and quantity. Rx.com compares cash prices at more than 60,000 US pharmacies so you can find the lowest price near you.
What are the common side effects of Diltiazem Hcl Er Beads?
Common side effects of Diltiazem Hcl Er Beads may include: Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing, Lightheadedness, dizziness, fainting, Rapid weight gain, swelling in your hands, ankles, or feet, Blistering, peeling, red skin rash, Slow, fast, pounding, or uneven heartbeat. This is not a complete list — consult your pharmacist or doctor for full side effect information.
Is there a generic version of Diltiazem Hcl Er Beads?
Generic versions may be available for Diltiazem Hcl Er Beads. Generics contain the same active ingredients as brand-name drugs and are typically 80–90% cheaper. Search Diltiazem Hcl Er Beads on Rx.com to compare generic and brand prices at pharmacies near you.
What is the cheapest pharmacy for Diltiazem Hcl Er Beads?
The cheapest pharmacy for Diltiazem Hcl Er Beads depends on your location and dosage. Rx.com compares prices at CVS, Walgreens, Walmart, Kroger, Costco, and thousands of independent pharmacies. Enter your ZIP code on Rx.com to find the lowest price for Diltiazem Hcl Er Beads near you.

Diltiazem Hcl Er Beads Coupons & Prices

dilTIAZem HCl ER Beads 240MG

Prescriptions & Refills
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Diltiazem Hcl Er Beads Capsule — prescription drug image
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Looking for a diltiazem HCl ER beads coupon? You are in the right place. Diltiazem hydrochloride extended-release capsules (the once-daily "coated bead" formulation) are a widely used generic calcium channel blocker for high blood pressure and chronic stable angina, and because it is generic, the cash price is already far lower than most brand-name heart medicines. Even so, what you pay can vary a lot from one pharmacy to the next, so it pays to compare. Enter your ZIP code above to see today's diltiazem HCl ER price at pharmacies near you and pull up a free Rx.com discount coupon you can use at the counter.

What is diltiazem HCl ER beads and how does it work?

Diltiazem is a non-dihydropyridine calcium channel blocker (a benzothiazepine that slows the influx of calcium ions through the heart's slow channels). It relaxes and widens blood vessels and eases the workload on the heart. It is FDA-approved to treat hypertension (high blood pressure), on its own or alongside other blood pressure medicines, and to treat chronic stable angina (angina pectoris). Doctors also commonly use it off-label to help control heart rate in atrial fibrillation and other fast rhythms.

The "ER beads" or "coated beads" name refers to the once-daily extended-release capsule dosage form, which comes in 120, 180, 240, 300, 360, and 420 mg strengths. Each capsule holds tiny controlled-release beads that let the medicine absorb slowly over the day, so the capsules must be swallowed whole. This is the same medicine sold under brand names such as Cardizem CD, Cartia XT, Dilt-CD, Dilacor XR, Tiadylt ER, and Tiazac.

Diltiazem HCl ER cost and savings without insurance

Diltiazem is available as a generic, which is the single biggest reason it is affordable. Generic diltiazem ER is one of the lower-cost long-term heart medicines, but the exact cash price still swings widely between pharmacies in the same town, sometimes by a surprising amount for the identical capsule. That is why comparing before you fill matters, especially if you are paying out of pocket or have a high-deductible plan.

Rx.com compares live cash prices across more than 60,000 U.S. pharmacies so you can see who is cheapest near you today. Enter your ZIP above to view current prices and print or show a free discount coupon at the pharmacy counter. There is no manufacturer copay card for generic diltiazem, but the Rx.com coupon is free to use and does not require insurance. This is general cost information, not medical advice.

Diltiazem alternatives and related medicines

If you are comparing options, it helps to know how diltiazem fits among similar drugs. Diltiazem ER capsules are the same underlying medicine as the brand Cardizem and its extended-release versions like Cartia XT; you can also compare the base generic listing for diltiazem. Another non-dihydropyridine calcium channel blocker in the same family is verapamil.

  • Amlodipine is a dihydropyridine calcium channel blocker often used for blood pressure and angina, but it works mainly on blood vessels and does not slow heart rate the way diltiazem can.
  • Metoprolol is a beta-blocker used for similar heart conditions; combining a beta-blocker with diltiazem can add up to more slowing of the heart, so that pairing needs a doctor's oversight.

Which medicine is right for you depends on your condition, other prescriptions, and your health history. Talk with your prescriber before switching or comparing therapies.

Important safety information

Diltiazem has no boxed warning, but it is not right for everyone. It should not be used by people with sick sinus syndrome or second- or third-degree AV heart block (unless a working pacemaker is in place), severe low blood pressure (systolic under 90 mmHg), a recent heart attack with fluid in the lungs, or a known allergy to it. Because it slows the heart, it can cause a slow heartbeat, AV block, low blood pressure, and may bring on or worsen heart failure. Do not chew, crush, or open the extended-release capsules or beads, as this can release too much medicine at once.

Diltiazem is a moderate CYP3A4 inhibitor and interacts with many drugs, including certain statins, some benzodiazepines, and cyclosporine, and extra caution is needed with beta-blockers and in liver or kidney impairment. Skin reactions such as rash, and rarely more serious ones, can occur. This is a summary, not a complete list. Tell your doctor and pharmacist about every medicine and supplement you take, and do not stop or change your dose without medical advice.

Sources & accuracy

This Diltiazem Hcl Er Beads information was written and reviewed against authoritative U.S. medical sources — MedlinePlus (U.S. National Library of Medicine), DailyMed, and FDA prescribing information — and checked for accuracy. It is provided for education and is not a substitute for professional medical advice.

Verify the official label: Diltiazem Hcl Er Beads on DailyMed (FDA)

Reviewed against FDA labeling · Last reviewed July 2026

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Medical disclaimer: This information is provided for general educational purposes only and is not medical advice. It is not a substitute for professional diagnosis or treatment. Always consult a licensed physician, pharmacist, or other qualified healthcare provider before starting, stopping, or changing any medication or treatment. Never disregard professional medical advice or delay seeking it because of something you read here. If you think you may have a medical emergency, call your doctor or 911 immediately.


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