Olcon-6.4mg CR Tablet | Uses, Side Effects, Price

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Prescription Medicine

Olcon-6.4mg CR Tablet is indicated in preventing attacks of angina (chest pain) and treatment of angina due to coronary artery disease. This medicine is also used to manage acute angina attacks in emergency situations and sometimes in the treatment of heart failure or high blood pressure during surgery.

Written By Lakshmithulasi Yarragunta ,

Reviewed By Dr Aneela Siddabathuni , MPharma., PhD

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More about the Product

Composition :

GLYCERYL TRINITRATE-6.4MG

Manufacturer/Marketer :

Cardium Lab

Consume Type :

Oral

Expires on or after :

Jan-27

Return Policy :

Not Returnable

About Olcon-6.4mg CR Tablet

Olcon-6.4mg CR Tablet is primarily indicated in preventing attacks of angina (chest pain) and treating angina due to coronary artery disease. Angina occurs when the heart does not receive sufficient oxygen.

Olcon-6.4mg CR Tablet contains Glyceryl Trinitrate, which works by relaxing blood vessels and reducing the heart's oxygen demand.

Olcon-6.4mg CR Tablet may cause common side effects such as dry mouth, blurred vision, headache, dizziness, weakness, nausea and vomiting, sweating, paleness, fainting, and flushing (warm or red skin). Most of these side effects are temporary and gradually resolve over time. However, if the side effects are persistent, reach out to your doctor.

You should not take Olcon-6.4mg CR Tablet if you are allergic to nitrates or any of its ingredients or are taking medication for hypertension, glaucoma, heart disease, erectile dysfunction, or anemia. Check with your doctor if you're pregnant, currently breastfeeding or taking any other prescribed or non-prescribed medicines.

Uses of Olcon-6.4mg CR Tablet

Olcon-6.4mg CR Tablet is used in the treatment of angina (heart-related chest pain). The detailed uses of Olcon-6.4mg CR Tablet are as follows:

Relieves chest pain: Olcon-6.4mg CR Tablet helps ease angina by relaxing and widening blood vessels, improving blood flow to the heart.
Prevents angina attacks: Olcon-6.4mg CR Tablet reduces the frequency and severity of chest pain episodes.

Have a query?

Directions for Use

Olcon-6.4mg CR Tablet can be taken with or without food as advised by the doctor.
Follow your doctor’s instructions on the dosage and timing of this medication to ensure safety.
Swallow Olcon-6.4mg CR Tablet as a whole with a glass of water.
Do not chew, crush, or break it.

Key Benefits

Provides fast relief from chest pain caused by reduced blood flow to the heart.
Relaxes and widens blood vessels, allowing better circulation to the heart.
Decreases the pressure on the heart, making it easier for the heart to pump blood.
Can be used before physical activity to help prevent chest pain episodes.
Sublingual tablets work quickly because they are absorbed directly under the tongue.

How Olcon-6.4mg CR Tablet Works

Olcon-6.4mg CR Tablet contains Glyceryl Trinitrate, a vasodilator in nature, which works by relaxing the blood vessels and decreasing the demand for oxygen the heart requires. As a result, it reduces heart workload and prevents attacks of angina. The dose of Olcon-6.4mg CR Tablet may be required to increase after a certain time as tolerance may develop after some time. Your doctor might increase the dose depending on your condition, and please stick to the dosage schedule.

Storage

Store in a cool and dry place away from sunlight

Side effects of Olcon-6.4mg CR Tablet

Headache

Dealing with Medication-Induced Headache:

Hydrate your body: Drink enough water to prevent dehydration and headaches.
Calm Your Mind: Deep breathing and meditation can help you relax and relieve stress.
Rest and Recharge: Sleep for 7-8 hours to reduce headache triggers.
Take rest: lie down in a quiet, dark environment.
Cold or warm compresses can help reduce tension.
Stay Upright: Maintain good posture to keep symptoms from getting worse.
To treat headaches naturally, try acupuncture or massage therapy.
Over-the-counter pain relievers include acetaminophen and ibuprofen.
Prescription Assistance: Speak with your doctor about more substantial drug alternatives.
Severe Headaches: Seek emergency medical assistance for sudden, severe headaches.
Frequent Headaches: If you get reoccurring headaches, consult your doctor.
Headaches with Symptoms: Seek medical attention if your headaches include fever, disorientation, or weakness.

Feeling dizzy

Dizziness

Here are the 7 steps to manage Dizziness caused by medication:

Inform your doctor about dizziness symptoms. They may adjust your medication regimen or prescribe additional medications to manage symptoms.
Follow your doctor's instructions for taking medication, and take it at the same time every day to minimize dizziness.
When standing up, do so slowly and carefully to avoid sudden dizziness.
Avoid making sudden movements, such as turning or bending quickly, which can exacerbate dizziness.
Drink plenty of water throughout the day to stay hydrated and help alleviate dizziness symptoms.
If you're feeling dizzy, sit or lie down and rest until the dizziness passes.
Track when dizziness occurs and any factors that may trigger it, and share this information with your doctor to help manage symptoms.

Drowsiness

Get enough sleep. Maintain a regular sleep cycle.
Eat a healthy diet and exercise regularly.
Manage stress with yoga or meditation.
Limit alcohol and caffeine.
Avoid driving or operating machinery unless you are alert.

Weakness

Rest well; get enough sleep.
Eat a balanced diet and drink enough water.
Manage stress with yoga and meditation.
Limit alcohol and caffeine.
Physical activities like walking or jogging might help boost energy and make you feel less tired.

What if I have taken an overdose of Olcon-6.4mg CR Tablet

Please do not exceed the recommended dose, as it might cause an overdose. Signs and symptoms of an overdose of Olcon-6.4mg CR Tablet may include headaches, a fast heartbeat or feeling dizzy, and severe hypotension. Seek immediate medical attention if you observe any symptoms or think you have taken too much. Do this even if there are no signs of discomfort or poisoning.

Drug Warnings

Do not take Olcon-6.4mg CR Tablet if you are allergic to nitrates or its ingredients.
Inform your doctor if you are taking other OTC medications, vitamins, nutritional supplements, and herbal products.
If you have kidney disease, drink or have ever consumed large amounts of alcohol, have anaemia or have a heart attack, Olcon-6.4mg CR Tablet should be taken with caution and only if prescribed by a doctor.
Tell your doctor if you are pregnant or breastfeeding before taking Olcon-6.4mg CR Tablet .
Olcon-6.4mg CR Tablet may cause dizziness, light-headedness, and fainting when you get up too quickly from a lying position; hence take care and rise slowly from a sitting or lying position.

Drug-Drug Interactions

Glyceryl trinitrateAvanafil

Critical

Glyceryl trinitrateMethylergometrine

Critical

Drug-Drug Interactions

Glyceryl trinitrateAvanafil

Critical

How does the drug interact with Olcon-6.4mg CR Tablet:
Taking Avanafil and Olcon-6.4mg CR Tablet together can increase the risk or severity of low blood pressure.

How to manage the interaction:
Combining Avanafil and Olcon-6.4mg CR Tablet is generally avoided as it can lead to an interaction, it can be taken if your doctor has advised it. However, if you experience symptoms like dizziness, lightheadedness, fainting, headache, flushing, heart palpitations, and priapism (prolonged and painful erection unrelated to sexual activity), consult your doctor immediately. Do not discontinue any medications without consulting your doctor.

Glyceryl trinitrateMethylergometrine

Critical

How does the drug interact with Olcon-6.4mg CR Tablet:
Coadministration of Methylergometrine with Olcon-6.4mg CR Tablet can increase the levels and side effects of Methylergometrine.

How to manage the interaction:
Taking Methylergometrine with Olcon-6.4mg CR Tablet is generally avoided as it can possibly result in an interaction, it can be taken if your doctor has advised it. However, if you experience sudden dizziness, lightheadedness, headache, fainting, shortness of breath, or rapid heartbeat, contact your doctor immediately. Do not discontinue any medications without first consulting your doctor. Do not discontinue any medications without first consulting your doctor.

Glyceryl trinitrateVardenafil

Critical

How does the drug interact with Olcon-6.4mg CR Tablet:
Taking Vardenafil and Olcon-6.4mg CR Tablet together can increase the risk or severity of low blood pressure.

How to manage the interaction:
Combining Vardenafil and Olcon-6.4mg CR Tablet is generally avoided as it can lead to an interaction, but it can be taken if your doctor has advised it. However, if you experience symptoms like dizziness, lightheadedness, fainting, headache, flushing, heart palpitations, and priapism (prolonged and painful erection unrelated to sexual activity), consult your doctor immediately. Do not discontinue any medications without consulting your doctor.

Glyceryl trinitrateLevobupivacaine

Severe

How does the drug interact with Olcon-6.4mg CR Tablet:
Coadministration of Levobupivacaine and Olcon-6.4mg CR Tablet can increase the risk of developing methemoglobinemia (a rare condition where red blood cells are unable to carry oxygen effectively to the tissues).

How to manage the interaction:
Although taking Levobupivacaine and Olcon-6.4mg CR Tablet together can possibly result in an interaction, it can be taken if your doctor has advised it. However, consult your doctor immediately if you experience symptoms such as grey discolouration of the skin, nausea, headache, dizziness, lightheadedness, fatigue, shortness of breath, rapid or shallow breathing, a rapid heartbeat, palpitation, anxiety, or confusion. Do not discontinue any medications without consulting your doctor.

Glyceryl trinitrateSodium nitrite

Severe

How does the drug interact with Olcon-6.4mg CR Tablet:
Coadministration of Sodium nitrite and Olcon-6.4mg CR Tablet has the potential to induce methemoglobinemia (a rare condition where red blood cells are unable to carry oxygen effectively to the tissues).

How to manage the interaction:
Although taking Sodium nitrite and Olcon-6.4mg CR Tablet together can possibly result in an interaction, it can be taken if your doctor has advised it. However, consult your doctor immediately if you experience symptoms such as grey discolouration of the skin, nausea, headache, dizziness, lightheadedness, fatigue, shortness of breath, rapid or shallow breathing, a rapid heartbeat, palpitation, anxiety, or confusion. Do not discontinue any medications without first consulting your doctor.

Glyceryl trinitratePrilocaine

Severe

How does the drug interact with Olcon-6.4mg CR Tablet:
Coadministration of Prilocaine and Olcon-6.4mg CR Tablet has the potential to induce methemoglobinemia (a rare condition where red blood cells are unable to carry oxygen effectively to the tissues).

How to manage the interaction:
Although taking prilocaine and Olcon-6.4mg CR Tablet together can possibly result in an interaction, it can be taken if your doctor has advised it. However, if you experience symptoms such as gray discoloration of the skin, nausea, headache, dizziness, lightheadedness, fatigue, shortness of breath, rapid or shallow breathing, a rapid heartbeat, palpitation, anxiety, or confusion, consult your doctor immediately. Do not discontinue any medications without first consulting your doctor.

Glyceryl trinitrateChloroprocaine

Severe

How does the drug interact with Olcon-6.4mg CR Tablet:
Coadministration of Chloroprocaine and Olcon-6.4mg CR Tablet can increase the risk of developing methemoglobinemia (a rare condition where red blood cells are unable to carry oxygen effectively to the tissues).

How to manage the interaction:
Although taking Chloroprocaine and Olcon-6.4mg CR Tablet together can possibly result in an interaction, it can be taken if your doctor has advised it. However, consult your doctor immediately if you experience symptoms such as grey discoloration of the skin, nausea, headache, dizziness, lightheadedness, fatigue, shortness of breath, rapid or shallow breathing, a rapid heartbeat, palpitation, anxiety, or confusion. Do not discontinue any medications without consulting your doctor.

Glyceryl trinitrateTetracaine

Severe

How does the drug interact with Olcon-6.4mg CR Tablet:
Coadministration of Tetracaine and Olcon-6.4mg CR Tablet has the potential to induce methemoglobinemia (a rare condition where red blood cells are unable to carry oxygen effectively to the tissues).

How to manage the interaction:
Although taking Tetracaine and Olcon-6.4mg CR Tablet together can possibly result in an interaction, it can be taken if your doctor has advised it. However, if you experience symptoms such as grey discolouration of the skin, nausea, headache, dizziness, lightheadedness, fatigue, shortness of breath, rapid or shallow breathing, a rapid heartbeat, palpitation, anxiety, or confusion, consult your doctor immediately. Do not discontinue any medications without first consulting your doctor.

Glyceryl trinitrateProcaine

Severe

How does the drug interact with Olcon-6.4mg CR Tablet:
Coadministration of Procaine and Olcon-6.4mg CR Tablet has the potential to induce methemoglobinemia (a rare condition where red blood cells are unable to carry oxygen effectively to the tissues).

How to manage the interaction:
Although taking procaine and Olcon-6.4mg CR Tablet together can possibly result in an interaction, it can be taken if your doctor has advised it. However, if you experience symptoms such as gray discoloration of the skin, nausea, headache, dizziness, lightheadedness, fatigue, shortness of breath, rapid or shallow breathing, a rapid heartbeat, palpitation, anxiety, or confusion, consult your doctor immediately. Do not discontinue any medications without first consulting your doctor.

Glyceryl trinitrateEtidocaine

Severe

How does the drug interact with Olcon-6.4mg CR Tablet:
Coadministration of Etidocaine and Olcon-6.4mg CR Tablet can increase the risk of developing methemoglobinemia (a rare condition where red blood cells are unable to carry oxygen effectively to the tissues).

How to manage the interaction:
Although taking Etidocaine and Olcon-6.4mg CR Tablet together can possibly result in an interaction, it can be taken if your doctor has advised it. However, consult your doctor immediately if you experience symptoms such as grey discoloration of the skin, nausea, headache, dizziness, lightheadedness, fatigue, shortness of breath, rapid or shallow breathing, a rapid heartbeat, palpitation, anxiety, or confusion. Do not discontinue any medications without consulting your doctor.

Drug-Food Interactions

No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

Diet & Lifestyle Advise

Diet

Eat a heart-healthy diet with plenty of fruits, vegetables, and whole grains.
Reduce salt intake to help control blood pressure and protect heart health.
Limit fatty and fried foods to maintain healthy cholesterol levels.

Lifestyle changes

Do moderate exercises such as walking or light stretching to maintain heart health.
Avoid heavy physical exertion that may trigger chest pain or angina.
Rest immediately if chest pain occurs and use the sublingual tablet as prescribed.
Consult your doctor before starting new exercises, especially if you have heart disease.

Stress management

Practice relaxation techniques such as deep breathing or meditation to reduce stress.
Maintain regular sleep habits to support heart health and reduce anxiety.
Avoid emotional stress and overexertion, as they may trigger angina (chest pain).

Habits

Avoid excessive alcohol and smoking, as it may increase dizziness and lower blood pressure.

Habit Forming

Therapeutic Class

[ANTIANGINALS]

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Alcohol

Unsafe

Concomitant use of nitrates and alcohol may cause hypotension. Hence, avoid consumption of alcohol while on treatment with Olcon-6.4mg CR Tablet .

Pregnancy

Consult your doctor

If you are pregnant, inform your doctor before taking Olcon-6.4mg CR Tablet . Your doctor may prescribe this medicine only if the benefits outweigh the risks.

Breast Feeding

Consult your doctor

If you are a breastfeeding mother, inform your doctor before taking Olcon-6.4mg CR Tablet . Your doctor may prescribe this medicine only if the benefits outweigh the risks.

Driving

Unsafe

Olcon-6.4mg CR Tablet can affect alertness and coordination. So, driving or operating machinery which requires concentration should be avoided after taking this medicine.

Liver

Consult your doctor

If you have liver problems, inform your doctor before taking Olcon-6.4mg CR Tablet as it may cause circulation abnormalities through the liver.

Kidney

Consult your doctor

If you have kidney problems, inform your doctor before taking Olcon-6.4mg CR Tablet .

Children

Unsafe

Olcon-6.4mg CR Tablet is not recommended for children and adolescents under 18 years of age as the safety and efficacy have not been established.

Heart

Safe if prescribed

Olcon-6.4mg CR Tablet is commonly used to treat angina and improve heart blood flow. It must be taken under medical supervision, especially if you have low blood pressure or recent heart complications.

Geriatrics

Caution

Geriatric patients can take Olcon-6.4mg CR Tablet , but only under medical supervision. Age-related sensitivity to blood pressure changes and dizziness requires careful dose adjustment and monitoring.

Country of origin

India

Manufacturer/Marketer address

Pharma Complex, B/H Marketing Yard, G.I.D.C Estate Surendranagar Gujrat 363035 India

Other Info - OLC0031

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Author Details

Reviewed By

Dr Aneela Siddabathuni

MPharma., PhD

Last Updated

Mar 12, 2026 | 12:13 PM IST

We provide you with authentic, trustworthy and relevant information

Reference

https://www.nhs.uk/medicines/glyceryl-trinitrate-gtn

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