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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 taking 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 is used to prevent angina (chest pain). It can also be used to treat certain types of heart failure.

It 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.

Take this medicine on an empty stomach 1 hour before or 2 hours after a meal, unless instructed otherwise. Try to take it at the same time each day.

If you have been given the sustained-release type of tablet (usually labelled as “SR”), swallow it whole. Do not divide, chew or crush the tablets or capsules.

Isosorbide mononitrate must be taken regularly for it to be effective. Continue to take this medicine even when you feel better. Do not stop taking this medicine unless instructed by your doctor.

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.

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

When should I not use this medicine?

Alert your doctor if you have the following conditions:
  • heart problem
  • anaemia (low red blood cell count)
  • have had a stroke
  • very low blood pressure
as Isosorbide mononitrate may not be suitable for you.

Do not take Isosorbide mononitrate with medicines used to treat impotence and medicines used to manage high blood pressure in the arteries of the lungs. Please see the section “Can I take this with other medicines?” below for more information.

What should I take note of while taking this medicine?

Inform your doctor if you have the conditions:
  • liver disease
  • kidney disease
  • glaucoma (increased pressure inside the eye)
  • thyroid disease
Let your doctor know if you are pregnant or breastfeeding.

If you are going to have an operation, including minor surgery and dental work, inform your doctor or dentist that you are taking Isosorbide mononitrate.

What side effects could I experience?

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.

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.

Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.

Can I take this with other medicines?

DO NOT take Isosorbide mononitrate with medicines used to treat impotence (e.g. sildenafil, tadalafil, vardenafil), and medicines used to manage high blood pressure in the arteries of the lungs (e.g. riociguat).

Inform your doctor and pharmacist if you are taking any of these medicines:
  • medicines for high blood pressure and heart failure e.g. enalapril
  • amitriptyline (medicines to treat depression)
  • dihydroergotamine (medicine for migraine)
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 © 2020 MIMS. All rights reserved. Powered by MIMS.com

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