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Isosorbide Mononitrate - Oral - Patient Medicine Information

> Why do I need this medicine?
> How do I take this medicine?
> What should I do if I have forgotten to take this medicine?
> When should I not use this medicine?
> What should I take note of while using this medicine?
> What side effects could I experience?
> Can I take this with other medicines?
> What special dietary instructions should I follow?
> How should I store this medicine?

 
Available Brands

Other Known Brands
  • Ismo 20    
  • Imdex CR    

Why do I need this medicine?

Isosorbide Mononitrate belongs to a group of medicines known as nitrates and is used to prevent angina (chest pain). It can also be used to treat certain types of heart failure.

Isosorbide Mononitrate helps to relax and open up the blood vessels. This helps more blood and oxygen to flow to your heart.

How do I take this medicine?

Take Isosorbide Mononitrate exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.

Isosorbide Mononitrate must be taken regularly for it to work well. Continue to take Isosorbide Mononitrate even when you feel well. Do not stop taking Isosorbide Mononitrate unless instructed by your doctor. You may feel ill or develop chest pains if Isosorbide Mononitrate is stopped suddenly without the doctor's advice. When your doctor decides that you no longer need Isosorbide Mononitrate, he will usually reduce your dose slowly before stopping it.

Take Isosorbide Mononitrate on an empty stomach 1 hour before or 2 hours after a meal, unless instructed otherwise. Try to take it at about the same time every day for it to work consistently.

If your doctor has told you to take Isosorbide Mononitrate twice a day, the first dose should be taken in the morning and the second dose 7 hours later. This helps to give good control over your heart condition throughout the day. It is important not to change the timing unless instructed by your doctor.

Isosorbide Mononitrate is available in many different types of tablets and capsules. If you have been given the sustained-release type of Isosorbide Mononitrate, swallow it whole with some water. Do not chew or crush these types of pills. Do not cut these types of pills unless the doctor specifically told you to do so.

What should I do if I have forgotten to take this medicine?

Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.

DO NOT double a dose under any circumstances.

Remember to take your medicine regularly. If you often forget to take your medicine, let your doctor or pharmacist know.

When should I not use this medicine?

It is very important that you DO NOT take Isosorbide Mononitrate with medicines used to treat impotence, such as sildenafil (Viagra®), tadalafil (Cialis®), vardenafil (Levitra®) and other similar medicines.

Inform your doctor immediately if you have:

- a history of other heart problems e.g. pericarditis (inflammation of the sac-like membrane surrounding the heart), valve stenosis (narrowing of the heart valves)
- head or brain injury
- severe anaemia (low red blood cell count)

What should I take note of while using this medicine?

Alert your doctor if you are suffering from any of these conditions:

- low blood pressure
- glaucoma (increased eye pressure)
- enlarged heart
- liver disease
- kidney disease

Let your doctor know if you are pregnant or breastfeeding.

Isosorbide Mononitrate will not relieve an acute attack of chest pain. Isosorbide Mononitrate is also not meant to be taken just before strenuous activities (e.g exercise) to prevent chest pain.

When you feel that an attack of chest pain is coming on, you must use other medicines (such as glyceryl trinitrate or GTN) to relieve the chest pains. Check with your doctor or pharmacist about what you should do in the event that this should happen.

Keep all appointments with your doctor. He needs to regularly monitor your condition and your response to the medication. Let your doctor know if your chest pain seems worse.

What side effects could I experience?

You may experience frequent headaches especially if you are taking Isosorbide Mononitrate for the first time. This is normal and is actually a sign that the medication is working well in your body. The headaches should disappear gradually as your body gets used to the medicine. If necessary, you may take some simple painkillers for your headache.

Isosorbide Mononitrate may also cause dizziness, especially when you get up from a sitting or lying down position. It will help if you get up slowly. If you feel dizzy, do not drive or take part in any activity in which you need to be alert.

Inform your doctor if any of these side effects are severe or refuse to go away, or if you experience any other side effects while being treated with this medicine.

Can I take this with other medicines?

DO NOT take Isosorbide Mononitrate with medicines used to treat impotence, such as sildenafil (Viagra®), tadalafil (Cialis®), vardenafil (Levitra®) and other similar medicines.

Inform your doctor if you are taking any medicines that can lower blood pressure:

- angiotensin-converting enzyme inhibitors e.g. enalapril, captopril
- beta-blockers e.g. propranolol
- calcium-channel blockers e.g. amlodipine
- diuretics or water pills e.g. furosemide
- medicines used for depression e.g. amitriptyline
- medicines used for migraine (e.g. dihydroergotamine)

This list does not include all medicines that may interact with Isosorbide Mononitrate.

Always notify your doctor or pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicine, supplements and medicines that you buy without a prescription.

What special dietary instructions should I follow?

Avoid alcohol.

How should I store this medicine?

Store in a cool, dry place away from the reach of children.

Medicines must not be used past the expiry date.

This information is independently developed by MIMS based on Isosorbide Mononitrate - Oral and is provided for your reference only. It is not a replacement for and should only be used in conjunction with full consultation with a licensed healthcare professional, the information provided by your pharmacist and/or the manufacturer of the medication. It may not contain all the available information you require and cannot substitute professional medical care, nor does it take into account all individual circumstances. Although great effort has been made to ensure content accuracy, we shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2019 MIMS. All rights reserved. Powered by MIMS.com

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