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compositionComposition:GLYCERYL TRINITRATE-0.5MG
prescriptionPrescription Medicine
MYONIT INSTA TABLET
MYONIT INSTA TABLET

MYONIT INSTA 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.

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Written By Santoshini Reddy G , M Pharmacy
Reviewed By Bayyarapu Mahesh Kumar , M Pharmacy
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More about the Product

Composition :

GLYCERYL TRINITRATE-0.5MG

Manufacturer/Marketer :

Troikaa Pharmaceuticals Ltd

Consume Type :

Sublingual

Expires on or after :

Jan-27

Return Policy :

Not Returnable

About MYONIT INSTA TABLET

MYONIT INSTA 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.

MYONIT INSTA TABLET contains Glyceryl Trinitrate, which works by relaxing blood vessels and reducing the heart's oxygen demand.

MYONIT INSTA 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 MYONIT INSTA 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 MYONIT INSTA TABLET

MYONIT INSTA TABLET is used to treat heart-related chest pain (angina). The detailed uses of MYONIT INSTA TABLET are as follows:

  • Angina Pectoris Relief: MYONIT INSTA TABLET is effective in preventing chest pain (angina) by enhancing blood flow to the heart muscle.
  • Heart Failure Treatment: MYONIT INSTA TABLET is part of the treatment plan for specific types of heart failure, helping the heart function more efficiently.

Have a query?

Directions for Use

  • MYONIT INSTA TABLET can be taken with or without food.
  • Follow your doctor's instructions on the dosage and timing of this medication.
  • Place MYONIT INSTA TABLET below the tongue and allow it to dissolve without swallowing.
  • Do not swallow MYONIT INSTA TABLET as a whole directly. It is also advised not to chew or crush MYONIT INSTA TABLET.

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 MYONIT INSTA TABLET Works

MYONIT INSTA TABLET contains Glyceryl Trinitrate, which is a vasodilator in nature. It works by relaxing the blood vessels and decreasing the heart's demand for oxygen. As a result, it reduces heart workload and prevents attacks of angina.

Storage

Store in a cool and dry place away from sunlight
Side effects of Myonit Insta Tablet
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.
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.
  • 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.
  • 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 MYONIT INSTA TABLET

Do not take more than the prescribed dose of MYONIT INSTA TABLET as it may cause overdose. If you suspect you have taken overdose, please consult a doctor immediately.

Drug Warnings

  • Do not take MYONIT INSTA TABLET if you are allergic to nitrates or any of its ingredients.
  • Inform your doctor about all other OTC medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take.
  • If you have a kidney, drink or have ever consumed large amounts of alcohol, have anaemia, or have a heart attack.
  • MYONIT INSTA TABLET should be taken with caution and only if a doctor prescribes you.
  • Tell your doctor if you are pregnant or breastfeeding before starting MYONIT INSTA TABLET as a dose adjustment may be required if the benefits outweigh the harm.
  • MYONIT INSTA TABLET may cause dizziness, light-headedness, and fainting when you get up too quickly from a lying position, especially when you start taking MYONIT INSTA TABLET, so please get up gradually.

Drug-Drug Interactions

verifiedApollotooltip
Glyceryl trinitrateAvanafil
Critical
Glyceryl trinitrateVardenafil
Critical

Drug-Drug Interactions

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Glyceryl trinitrateAvanafil
Critical
How does the drug interact with Myonit Insta Tablet:
Taking Avanafil and Myonit Insta Tablet together can increase the risk or severity of low blood pressure.

How to manage the interaction:
Combining Avanafil and Myonit Insta 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 trinitrateVardenafil
Critical
How does the drug interact with Myonit Insta Tablet:
Taking Vardenafil and Myonit Insta Tablet together can increase the risk or severity of low blood pressure.

How to manage the interaction:
Combining Vardenafil and Myonit Insta 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 trinitrateMethylergometrine
Critical
How does the drug interact with Myonit Insta Tablet:
Coadministration of Methylergometrine with Myonit Insta Tablet can increase the levels and side effects of Methylergometrine.

How to manage the interaction:
Taking Methylergometrine with Myonit Insta 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 trinitrateTetracaine
Severe
How does the drug interact with Myonit Insta Tablet:
Coadministration of Tetracaine and Myonit Insta 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 Myonit Insta 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 trinitrateChloroprocaine
Severe
How does the drug interact with Myonit Insta Tablet:
Coadministration of Chloroprocaine and Myonit Insta 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 Myonit Insta 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 trinitrateLevobupivacaine
Severe
How does the drug interact with Myonit Insta Tablet:
Coadministration of Levobupivacaine and Myonit Insta 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 Myonit Insta 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 trinitrateRopivacaine
Severe
How does the drug interact with Myonit Insta Tablet:
Coadministration of Ropivacaine and Myonit Insta 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 Ropivacaine and Myonit Insta 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 trinitrateSodium nitrite
Severe
How does the drug interact with Myonit Insta Tablet:
Coadministration of Sodium nitrite and Myonit Insta 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 Myonit Insta 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 trinitrateBupivacaine
Severe
How does the drug interact with Myonit Insta Tablet:
Coadministration of bupivacaine and Myonit Insta Tablet can increase the risk and severity of developing methemoglobinemia, (Red blood cells are unable to carry oxygen effectively to the tissues).

How to manage the interaction:
Although taking bupivacaine and Myonit Insta Tablet together can result in an interaction, it can be taken if a doctor has advised it. However, if you experience symptoms such as gray discoloration of the skin, abnormal blood coloration, nausea, headache, dizziness, lightheadedness, fatigue, shortness of breath, rapid or shallow breathing, a rapid heartbeat, palpitation, anxiety, or confusion, consult the doctor immediately. Do not discontinue any medications without consulting a doctor.
Glyceryl trinitrateEtidocaine
Severe
How does the drug interact with Myonit Insta Tablet:
Coadministration of Etidocaine and Myonit Insta 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 Myonit Insta 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

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

Drug-Food Interactions

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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

No

Therapeutic Class

[ANTIANGINALS]

All Substitutes & Brand Comparisons

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Alcohol

Unsafe

Concomitant use of nitrates and alcohol may cause hypotension. So, the intake of MYONIT INSTA TABLET should be avoided with MYONIT INSTA TABLET.

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Pregnancy

Consult your doctor

MYONIT INSTA TABLET is a pregnancy Category B medicine. It is not known whether MYONIT INSTA TABLET will affect pregnant women or fetus or not. Hence, the intake of MYONIT INSTA TABLET should be avoided if you are pregnant or planning to become pregnant, as it may harm the baby. Your doctor may give you if the benefits of MYONIT INSTA TABLET outweigh the risks.

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Breast Feeding

Consult your doctor

The safety of MYONIT INSTA TABLET is not known in breastfeeding women. So, MYONIT INSTA TABLET should not be taken while breastfeeding.

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Driving

Unsafe

MYONIT INSTA TABLET can affect alertness and coordination. So, operating machinery which requires concentration should be avoided.

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Liver

Caution

MYONIT INSTA TABLET to be taken with caution, especially if you have a history of liver diseases. The dose may have to be adjusted by your doctor.

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Kidney

Caution

MYONIT INSTA TABLET should be taken with caution, especially if you have a history of Kidney diseases. Your doctor may have to adjust the dose.

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Children

Unsafe

The safety and efficacy of MYONIT INSTA TABLET in children have not been established. MYONIT INSTA TABLET is not recommended in children unless given by a child specialist.

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Heart

Consult your doctor

There is limited information on the use of MYONIT INSTA TABLET in patients with heart disorders. Your doctor will weigh the benefits and any potential risks before prescribing MYONIT INSTA TABLET. Please consult your doctor.

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Geriatrics

Consult your doctor

Limited data is available regarding the use of MYONIT INSTA TABLET in elderly patients. If you have any concerns about the usage of MYONIT INSTA TABLET in geriatrics, please consult your doctor.

FAQs

MYONIT INSTA TABLET is used in preventing attacks of angina (chest pain) and treatment of angina due to coronary artery disease.

MYONIT INSTA TABLET should not be taken before doing any physical workout to prevent angina pain. A person should consult with the doctor to know the right time of taking MYONIT INSTA TABLET.

Yes, MYONIT INSTA TABLET can cause a headache. Please increase your fluid intake, as this is known to decrease headaches when taking MYONIT INSTA TABLET. If the problem persists, consult your doctor and do as advised.

MYONIT INSTA TABLET is not advised in patients with severe anaemia, and one should tell their doctor if they have this condition.

A person who is already taking phosphodiesterase type 5 (PDE-5) inhibitors, such as avanafil, sildenafil, tadalafil, or vardenafil, should not consume MYONIT INSTA TABLET as it may cause serious side effects.

If you miss a dose of MYONIT INSTA TABLET, take the missed dose as soon as you remember it. However, if it is almost time for the next dose, do not take a double dose to make up for a missed one.

It is suggested that you take MYONIT INSTA TABLET in the dose and duration advised by your doctor. If you take it in more than the recommended dose, it might cause unpleasant side effects. If you think your symptoms are not improving, please consult your doctor.

A person should not take MYONIT INSTA TABLET with their erectile dysfunction medication as it might trigger the blood pressure-lowering effect of MYONIT INSTA TABLET. Consult your doctor for further advice.

A person should not stop taking MYONIT INSTA TABLET without talking to their doctor. If they suddenly stop taking MYONIT INSTA TABLET, they may experience confusion, fever, mental state changes, or severe muscle stiffness. Your doctor will probably decrease your dose gradually, depending upon your disease condition.

MYONIT INSTA TABLET should be kept in the original glass container and tightly capped after each use to prevent loss of tablet potency. Store MYONIT INSTA TABLET tablets at room temperature.

Country of origin

INDIA

Manufacturer/Marketer address

Troikaa Pharmaceuticals Ltd., Registered Office: , 'Commerce House - 1', Satya Marg, Bodakdev, Ahmedabad-380 054. Gujarat, India.
Other Info - MYO0069

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Author Details

Santoshini Reddy GDoctor badge

Written By

Santoshini Reddy G

M Pharmacy

Bayyarapu Mahesh KumarDoctor badge

Reviewed By

Bayyarapu Mahesh Kumar

M Pharmacy

Last Updated

Mar 12, 2026 | 8:45 AM IST

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