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Diltiazem 30mg
Medically Reviewed by – Dr. Connor Steele, MD
Last Updated on 8 July 2026

Diltiazem 30mg

$0.28 $0.34
Diltiazem is used to treat hypertension (high blood pressure), angina (chest pain), and certain heart rhythm disorders. It belongs to a group of drugs called calcium channel blockers. Diltiazem relaxes blood vessels in the body and heart, thereby improving the blood flow. By decreasing the heart rate, this medication helps lower the blood pressure. This medicine may also be used to treat other conditions as determined by your doctor.
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Diltiazem 30mg CouponCoupon DescriptionCoupon Expiry Date
SUNNY28Summer Spectacular Sale2026-07-31
Categories: Heart DiseaseTag: Pills

What is Diltiazem 30mg Tablets used for?

Diltiazem 30mg Tablets is used to treat hypertension (high blood pressure), angina (chest pain), and certain heart rhythm disorders. It belongs to a group of drugs called calcium channel blockers. Diltiazem relaxes blood vessels in the body and heart, thereby improving the blood flow. By decreasing the heart rate, this medication helps lower the blood pressure. This medicine may also be used to treat other conditions as determined by your doctor.

What are the side effects of Diltiazem 30mg Tablets?

Like other medicines, Diltiazem 30mg Tablets can cause some side effects. If they do occur, the side effects of Diltiazem are most likely to be minor and temporary. However, some may be serious and may require the individual to inform the doctor or visit the nearest hospital immediately.

It is pertinent to note that side effects of Diltiazem cannot be anticipated. If any side effects of Diltiazem develop or change in intensity, the doctor should be informed as soon as possible.

Diltiazem can cause side effects such as dizziness, nausea, weakness, drowsiness, flushing, and headache. Some of the serious side effects of this drug are slow heartbeats, red skin rash, shortness of breath, rapid weight gain, dark urine, clay-colored stools, and yellowing of the skin or eyes. This is not a complete list of all side effects. Do concur with your doctor and follow his directions completely when you are taking Diltiazem.

What is the recommended dosage of Diltiazem?

The dosage of Diltiazem prescribed to each patient will vary. Always follow your physician’s instructions and/or the directions on the prescription drug label.

What if you miss a dose of Diltiazem?

If your physician has instructed or directed you to take Diltiazem medication in a regular schedule and you have missed a dose of this medicine, take it as soon as you remember. However, if it is almost time for your next dose, then skip the missed dose and go back to your regular dosing schedule. Do not double the doses unless otherwise directed.

What if you overdose on Diltiazem?

Any medication taken in excess can have serious consequences. If you suspect an overdose of Diltiazem, seek medical attention immediately. Some of the overdose symptoms of this drug are light-headedness, shortness of breath, slow heartbeat, and fainting.

What other drugs could interact with Diltiazem 30mg Tablets?

It may be noted that drugs other than those listed above may also interact with Diltiazem.

Usually drug interactions occur when it is taken with another drug or with food. Before you take a medication for a particular ailment, you should inform the health expert about intake of any other medications including non-prescription medications, over-the-counter medicines that may increase the effect of Diltiazem, and dietary supplements like vitamins, minerals and herbal, so that the doctor can warn you of any possible drug interactions.

Diltiazem can interact with sedatives, antibiotics, antifungal medications, and HIV/AIDS medicines.

Do let your doctor know if you smoke, consume alcohol or caffeinated drinks, or use illegal drugs as these may interfere with the action of your medication. Make sure to inform your doctor of any medical conditions you may have, or any family history of medical problems. Do not start or stop using any medicine without consulting your doctor.

Is Diltiazem 30mg Tablets available over the counter?

No. Diltiazem 30mg Tablets is not available over the counter. It is a prescription-only medicine, so it should be used only after a licensed healthcare provider confirms it is suitable for your condition and explains the correct dosage, precautions, and possible interactions.

Is there a Coupon for Diltiazem 30mg?

Yes, International Drug Mart offers coupons for Diltiazem 30mg, helping patients lower their medication costs. Pricing may vary by quantity, but these discounts make Diltiazem 30mg a cost-effective choice for U.S. customers who value reliable access and convenient home delivery.

Is Diltiazem 30mg Tablets a prescription medication?

Yes. Diltiazem 30mg Tablets is a prescription medication. It should be taken only when prescribed by a licensed healthcare provider. Do not start, stop, or change the dose without medical advice.

What are the questions to ask your doctor before taking Diltiazem 30mg Tablet?

Is it possible for me to take Diltiazem with other drugs?
Should certain beverages, foods and other products be avoided when I take Diltiazem?
What are the possible drug interactions of Diltiazem?
How will Diltiazem work in my body?
How should Diltiazem be taken?
How to reduce the risk of Diltiazem drug interactions and side effects?

 

Note

The health and medical information provided here is intended to supplement and not substitute for the expertise and judgment of your physician, pharmacists or other health care professional. Before using Diltiazem, inform your doctor if you have kidney disease, liver disease, and congestive heart failure. Also, tell your doctor if you are pregnant or plan to become pregnant during treatment, or breast-feeding. While using this medicine, limit alcoholic beverages. Do not drive, use machinery, or perform any activity that requires alertness.

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