Diltiazone CD 120 Capsule ER is used to treat angina (heart-related chest pain), high blood pressure, and some types of irregular heartbeats (arrhythmia). It is known as a calcium channel blocker. It works by relaxing blood vessels to lower blood pressure. This helps to reduce the workload of the heart.

Diltiazone CD 120 Capsule ER may be taken with or without food, but it is better to take it regularly at a fixed time each day as advised by your doctor. Keep using this medicine even if you feel well. If you stop taking it suddenly, your condition may worsen. This medicine is only part of a treatment program that should include a healthy diet, regular exercise, and weight reduction as advised by your doctor.

Common side effects seen with this medicine include headache, constipation, dizziness, fatigue, nausea, flushing, and rash. These are usually mild and disappear after a short time. Consult your doctor if they bother you or do not go away. It may also make you feel sleepy or dizzy, so be careful if you drive or do anything that requires you to be alert. Drinking alcohol should be avoided while taking this medicine as it may worsen the side effects.

Before taking this medicine, let your doctor know if you have any liver or kidney problems. Also, inform your doctor if you have very low blood pressure (hypotension), heart failure, or if you recently had a heart attack and have fluid in your lungs. Your doctor may want to monitor your blood pressure while using it and you may need frequent blood tests. Pregnant or breastfeeding women should consult their doctor before taking it.

Uses of Diltiazone Capsule ER

Benefits of Diltiazone Capsule ER

In Treatment of Hypertension (high blood pressure)

Diltiazone CD 120 Capsule ER works by relaxing blood vessels so that blood can flow more easily around your body. This lowers your blood pressure and reduces your risk of having a stroke, heart attack, or kidney problems in the future. It must be taken regularly as prescribed to be effective. You do not usually feel any direct benefit from taking this medicine, but it works in the long term to keep you well. Do not stop taking this medicine without your doctor’s advice, even if you feel well.

In Treatment of Angina (heart-related chest pain)

Diltiazone CD 120 Capsule ER helps treat heart-related chest pain (angina attack) as well as prevent it from happening in the future. However, it should not be used for acute attacks of angina. It works by relaxing and widening blood vessels in the heart. This makes it easier for blood to flow to the heart, so it gets more oxygen. This medicine thus helps to increase your ability to exercise and go about your daily life more easily and confidently. It should be taken regularly to be effective. Do not stop taking it without your doctor’s advice, even if you feel well.

In Treatment of Arrhythmia

Diltiazone CD 120 Capsule ER may also be used to treat abnormal heart rhythms (arrhythmias). It may help stop an abnormal rhythm while it is happening or prevent its occurrence in the first place.

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Side effects of Diltiazone Capsule ER

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Diltiazone

Headache
Dizziness
Nausea
Edema (swelling)

How to use Diltiazone Capsule ER

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Diltiazone CD 120 Capsule ER may be taken with or without food, but it is better to take it at a fixed time.

How Diltiazone Capsule ER works

Safety advice

Alcohol

CAUTION

Caution is advised when consuming alcohol with Diltiazone CD 120 Capsule ER. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

Diltiazone CD 120 Capsule ER may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.

Breast feeding

CAUTION

Diltiazone CD 120 Capsule ER should be used with caution during breastfeeding. Breastfeeding should be held until the treatment of the mother is completed and the drug is eliminated from her body.
Alternative method of infant feeding should be considered.

Driving

UNSAFE

Diltiazone CD 120 Capsule ER may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

SAFE IF PRESCRIBED

Diltiazone CD 120 Capsule ER is safe to use in patients with kidney disease. No dose adjustment of Diltiazone CD 120 Capsule ER is recommended.
However, talk to your doctor if you have any underlying kidney disease. Regular monitoring of kidney function test is advised while you are taking this medicine.

Liver

CAUTION

Diltiazone CD 120 Capsule ER should be used with caution in patients with liver disease. Dose adjustment of Diltiazone CD 120 Capsule ER may be needed. Please consult your doctor.

What if you forget to take Diltiazone Capsule ER?

If you miss a dose of Diltiazone CD 120 Capsule ER, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

All substitutes

For informational purposes only. Consult a doctor before taking any medicines.

Diltiazone CD 120 Capsule ER

₹14.7/Capsule ER

Dilzem CD 120 Capsule ER

Torrent Pharmaceuticals Ltd

₹30.2/capsule er

105% costlier

Angizem CD 120 Capsule ER

Sun Pharmaceutical Industries Ltd

₹24.1/capsule er

64% costlier

Quick tips

Diltiazone CD 120 Capsule ER slows down the heartbeat and allows the blood vessels in the body to relax.
This helps prevent angina attacks (chest pain caused by heart disease), certain abnormal heart rhythms, stroke and heart attack.
It may cause dizziness or sleepiness. Do not drive or do anything requiring concentration until you know how it affects you.
It may cause you to feel lightheaded or weak especially when you stand up (orthostatic hypotension). Rise slowly if you have been sitting or lying down.
It is best to avoid drinking alcohol while taking Diltiazone CD 120 Capsule ER as it may make the side effects worse.
Do not stop taking it suddenly without talking to your doctor first.

Fact Box

Chemical Class

Benzothiazepine derivative

Habit Forming

Therapeutic Class

CARDIAC

Action Class

Calcium channel blockers- Nondihydropyridines

Interaction with drugs

Taking Diltiazone with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Nebivolol (Oral Route) Severe

Concurrent use may decrease heart activity. watch out for symptoms such as breathlessness, fatigue, drowsiness, sedation or faintness or vomiting and consult your doctor if you ex... More

Pimozide (Oral Route) Severe

Concomitant use may affect heart rhythm and can be fatal. Do not consume Pimozide with Diltiazem.

Metoprolol Succinate (Oral Route) Severe

Concurrent use may decrease heart activity. watch out for symptoms such as breathlessness, fatigue, drowsiness, sedation or faintness or vomiting and consult your doctor if you ex... More

Ranolazine (Oral Route) Severe

Concurrent use may increase the risk of fatal disturbances in heart rhythm. Diltiazem may raise blood levels of Ranolazine. watch out for symptoms of Diltiazem side effects such as... More

Labetalol (Oral Route) Severe

Concurrent use may decrease heart activity. watch out for symptoms such as breathlessness, fatigue, drowsiness, sedation or faintness or vomiting and consult your doctor if you ex... More

View all drug interactions

Patient concerns

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Consult physician near u for proper examination and blood work up

FAQs

Is Diltiazone CD 120 Capsule ER a blood thinner?

No, Diltiazone CD 120 Capsule ER is not a blood thinner. It belongs to the calcium channel blocker class of medicines. It is used to treat hypertension, arrhythmias and angina (chest pain caused by a reduction of oxygen to the heart muscle).

Does Diltiazone CD 120 Capsule ER cause weight gain?

Yes, Diltiazone CD 120 Capsule ER may cause weight gain but not in everybody. However, if you are gaining weight while taking Diltiazone CD 120 Capsule ER then consult your doctor or a nutritionist.

Is it better to take Diltiazone CD 120 Capsule ER in the morning or at night?

It is recommended to take Diltiazone CD 120 Capsule ER at night and before meals. The dose will be decided by your doctor and should be taken exactly as prescribed by the doctor.

Does Diltiazone CD 120 Capsule ER affect sleep?

Diltiazone CD 120 Capsule ER may cause sleeplessness which does not affect everyone. If this persists and worries you talk to your doctor.

Who should not take Diltiazone CD 120 Capsule ER?

You should not take Diltiazone CD 120 Capsule ER if you are allergic to it, have an irregular or slow heartbeat, heart failure, and low blood pressure. It should not be given to children and women who are pregnant or planning to get pregnant.

What are the symptoms of overdose of Diltiazone CD 120 Capsule ER?

Symptoms of overdose of Diltiazone CD 120 Capsule ER include slow, fast, or irregular heartbeat, fainting, difficulty breathing and seizures. It may also cause dizziness, confusion, nausea, vomiting and increased sweating. Contact your doctor immediately or seek emergency medical services in a nearby hospital.

How long do I need to take Diltiazone CD 120 Capsule ER? Can I stop it on my own?

Your doctor will decide how long you need to take it. Do not stop it on your own or lower your dose. Suddenly stopping it may worsen angina or increase your blood pressure.

What should I avoid while taking Diltiazone CD 120 Capsule ER?

You should avoid drinking alcohol while taking Diltiazone CD 120 Capsule ER. Also, avoid driving and using heavy machinery if Diltiazone CD 120 Capsule ER causes dizziness and you experience a general feeling of being unwell. In addition to that, avoid pregnancy and breastfeeding while taking Diltiazone CD 120 Capsule ER.

What are the serious side effects of Diltiazone CD 120 Capsule ER?

The serious side effects of Diltiazone CD 120 Capsule ER include severe allergic reaction, yellowing of the skin or eyes, nausea and extreme tiredness. It may also cause unusual bleeding or bruising, lack of energy, loss of appetite and pain in the stomach. One may also experience flu-like symptoms and an increase in the frequency or severity of chest pain (angina). If you experience any such symptoms immediately contact your doctor and seek medical help.

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Disclaimer:

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

References

Sampson KJ, Kass RS. Anti-Arrhythmic Drugs. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. pp. 830-31.
Hume JR, Grant AO. Agents Used in Cardiac Arrhythmias. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 244.
Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 410-11.
Opie LH. Calcium Channel Blockers. In: Opie LH, Gersh BJ, editors. Drugs for the Heart. 8th ed. Philadelphia, Pennsylvania: Elsevier Saunders; 2013. pp. 78-81.
Diltiazem hydrochloride. Cambridge, Cambridgeshire: Napp Pharmaceuticals Limited; 1992 [revised 22 Mar. 2017]. [Accessed 23 Jan. 2019] (online) Available from:
Chaves RG, Lamounier JA. Breastfeeding and maternal medications. J Pediatr (Rio J). 2004;80(5 Suppl):S189-S198. [Accessed 15 Mar. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). Diltiazem. [Accessed 15 Mar. 2019] (online) Available from:
Talreja O, Cassagnol M. Diltiazem. [Updated 2022 Sep 3]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023. [Accessed 20 June 2023]. (online) Available from:

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