Stopping suddenly may make your condition worse.If you are being treated for high blood pressure, keep using this medicine even if you feel well. All possible dosages and forms may not be included here. Diltiazem oral capsule is used for long-term treatment. These drugs include:Diltiazem can increase the levels of certain heart drugs in your body. It works by relaxing the muscles of your heart and blood vessels.Diltiazem may also be used for purposes not listed in this medication guide.You should not use diltiazem if you have very low blood pressure, a serious heart condition such as "sick sinus syndrome" or "second- or third-degree AV block" (unless you have a pacemaker), or if you have recently had a heart attack and you have a build-up of fluid in your lungs.Before taking diltiazem, tell your doctor if you have kidney disease, liver disease, or congestive heart failure.Diltiazem may impair your thinking or reactions. Drug Saf. Diltiazem is a calcium channel blocker. Diltiazem overdose symptoms may include: Extremely low blood pressure (hypotension) Available for Android and iOS devices. Keep these considerations in mind if your doctor prescribes diltiazem oral capsules for you.Store diltiazem at 59–86°F (15–30°C). Your doctor will write the number of refills authorized on your prescription. Discuss the use of grapefruit products with your doctor.Diltiazem may impair your thinking or reactions. A normal adult dose may cause levels of this drug to be higher than normal in your body. Select one or more newsletters to continue. Tell your doctor about all medicines you use, and those you start or stop using. Our website services, content, and products are for informational purposes only. Talk to your doctor about possible alternatives.© 2005-2020 Healthline Media a Red Ventures Company. This means that your heart doesn’t have to work as hard to pump blood throughout your body. It is also available as immediate-release tablet, an extended-release tablet, and an intravenous (IV) solution, which is only given by a healthcare provider.Diltiazem is used to treat chest pain and high blood pressure.Diltiazem belongs to a class of drugs called calcium channel blockers. These drugs include:Diltiazem can increase the amount of these medications in your body. If you’re a senior, you may need a lower dose or a different schedule.This medicine hasn’t been studied in children and shouldn’t be used in children under the age of 18 years.There are no specific recommendations for senior dosing. A 51 year old man took a mixed overdose including 1.8–3.6 g of diltiazem, paracetamol, aspirin, isosorbide nitrate, and alcohol. Do not take extra medicine to make up the missed dose.Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. Keep this drug away from light and high temperature. He initially presented to hospital after six hours with mild hypotension and was treated with activated charcoal and intravenous fluids. You should not breast-feed while using this medicine.Take diltiazem exactly as prescribed by your doctor. Serum and urine levels of amitriptyline dosages are not correlated with severity of toxicity; therefore, it increases the importance of electrocardiography (ECG) abnormalities. An interaction is when a substance changes the way a drug works. Diltiazem oral capsule is a prescription drug that’s available as the brand-name drugs Cardizem CD and Cardizem LA.Ditiazem oral tablet is available … If you’re a senior, you may need a lower dose or a different schedule. These effects, combined with lowering your blood pressure, help to reduce your chest pain.Diltiazem oral capsule doesn’t cause drowsiness. This means that you may have more side effects. Store this drug away from moisture and damp locations. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. Diltiazem oral capsule is a prescription drug that’s available as the brand-name drugs Diltiazem is available as an immediate-release capsule and an extended-release capsule. While you’re taking diltiazem, your doctor will monitor your:You may need to purchase a blood pressure monitor to check your heart rate and blood pressure at home. MECHANISM OF TOXICITY Verapamil and diltiazem are the most lethal calcium-channel blockers in overdose: bind the alpha-1 sub-unit of L-type calcium channels, preventing the intracellular influx of calcium These channels are functionally important in cardiac myocytes, vascular smooth muscle cells, and islet beta cells You should keep a log with the date, time of day, and your blood pressure readings. Take this medication by mouth before meals and at bedtime as directed by your doctor, usually 3 to 4 times a day. Get your prescription refilled before you run out of medicine completely.You should not stop using diltiazem suddenly. These drugs include:Diltiazem can increase the amount of these medications in your body. If your symptoms are potentially life threatening or if you think you’re experiencing a medical emergency, call 911. All rights reserved. Experience with verapamil, diltiazem and nifedipine. If you stop taking diltiazem suddenly, your condition may become worse.Diltiazem may be only part of a complete program of treatment that also includes diet, exercise, and other medications.