Swallow the extended-release capsules and tablets whole; do not chew or crush them.
This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.
Keep all appointments with your doctor and the laboratory. Your blood pressure should be checked regularly to determine your response to diltiazem.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.
In case of overdose, call your local poison control center at. If the victim has collapsed or is not breathing, call local emergency services at 911.
Diltiazem comes as a tablet, an extended-release (long-acting) tablet, and an extended-release capsule to take by mouth. The regular tablet is usually taken three or four times a day. The extended-release capsule and tablet are usually taken one or two times a day. Ask your pharmacist if you should take diltiazem with or without food, because instructions may vary with each product. Take diltiazem at around the same time(s) every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take diltiazem exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
flushing (feeling of warmth) headache weakness slow heartbeat vomiting diarrhea constipation nasal congestion cough.
pain in the upper right part of the stomach flu-like symptoms.
Your doctor may ask you to check your pulse (heart rate) daily and will l you how fast it should be. If your pulse is slower than it should be, call your doctor for directions on taking diltiazem that day. Ask your doctor or pharmacist to teach you how to check your pulse.
Diltiazem is also sometimes used to treat certain types of arrhythmias (abnormal heart rhythms). Talk to your doctor about the risks of using this medication for your condition.
If taken regularly, diltiazem may control chest pain, but it does not stop chest pain once it starts. Your doctor may give you a different medication to take when you have chest pain.
Last Revised - 08/15/2012.
Diltiazem is used to treat high blood pressure and to control angina (chest pain). Diltiazem is in a class of medications called calcium-channel blockers. It works by relaxing the blood vessels so the heart does not have to pump as hard. It also increases the supply of blood and oxygen to the heart.
If your doctor prescribes a low-salt or low-sodium diet, follow these directions carefully.
unusual bleeding or bruising lack of energy loss of appetite.
Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.
Disclaimers Privacy Accessibility Quality Guidelines Viewers & Players U.S. National Library of Medicine 8600 Rockville Pike, Bethesda, MD 20894 U.S. Department of Health and Human Services National Institutes of Health Page last updated: 03 December 2014.
AHFS Consumer Medication Information., 2014. The American Society of Health-System Pharmacists, Inc., 7272 Wisconsin Avenue, Bethesda, Maryland.. Duplication for commercial use must be authorized by ASHP.
¶ This branded product is no longer on the market. Generic alternatives may be available.
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difficulty breathing or swallowing fainting rash.
Your doctor will probably start you on a low dose of diltiazem and gradually increase your dose, not more than once every 7 to 14 days if you are taking the extended-release tablet or capsule and not more than once every 1 to 2 days if you are taking the regular tablet.
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online or by phone.
yellowing of the skin or eyes nausea extreme tiredness.
slow, fast, or irregular heartbeat fainting difficulty breathing seizures dizziness confusion nausea vomiting increased sweating.
increase in frequency or severity of chest pain (angina).
Diltiazem controls high blood pressure and chest pain (angina) but does not cure them. It may take up to 2 weeks before you feel the full benefit of diltiazem. Continue to take diltiazem even if you feel well. Do not stop taking diltiazem without talking to your doctor.
Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one. dizziness or lightheadedness.
swelling of the face, eyes, lips, tongue, hands, arms, feet, ankles, or lower legs.
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.
Diltiazem side effects