Monodur (Isosorbide Mononitrate)
Complete patient guide for uses, dosage, side effects, and safety information
Quick Facts
What Is Monodur Used For?
Monodur is a medication that helps prevent angina, which is chest pain caused by insufficient blood and oxygen reaching the heart.
Primary Uses
Monodur is primarily used to prevent angina attacks.
How It Works
Monodur works by relaxing blood vessels, allowing more blood and oxygen to reach the heart.
Good to know: Monodur is not addictive.
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How to Take Monodur
It is important to take Monodur as prescribed to ensure its effectiveness.
Dosage Instructions
Take one Monodur modified release tablet daily at the same time. If prescribed two 60mg tablets, take them together. Swallow the tablet whole with water; do not chew or crush.
What If You Miss a Dose?
If you forget to take a dose, take it as soon as you remember unless it's more than eight hours late. In that case, skip the missed dose and resume your regular schedule. Do not double the dose.
Important: Never double the dose if you miss one.
Available Tablet Strengths
Side Effects
Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.
Common Side Effects
These side effects occur relatively frequently and usually don’t require emergency care:
- Headache
- Dizziness
- Feeling faint
- Fatigue
- Muscle tenderness or weakness
Seek immediate medical attention if you experience:
- Hypotension
- Tachycardia
Important Warnings
There are important considerations and contraindications when using Monodur.
Who Should Not Take Monodur
Do not use Monodur if you are allergic to isosorbide mononitrate or any ingredients in the medication. Avoid if you have low blood pressure, shock, pericarditis, or heart muscle weakness. Do not take with sildenafil, vardenafil, or tadalafil.
Medical Conditions to Discuss
Discuss with your doctor if you have liver or kidney issues, low blood pressure, or heart and blood vessel problems.
Pregnancy and Breastfeeding
Do not use Monodur if pregnant or breastfeeding unless advised by your doctor, as its safety is not established.
Drug Interactions
Certain medications can interact with Monodur, affecting its efficacy.
- Sildenafil (Viagra)
- Vardenafil (Levitra)
- Tadalafil (Cialis)
- Calcium antagonists
Alcohol & Driving
Be cautious with alcohol consumption and operating machinery while on Monodur.
Alcohol
Drinking alcohol while taking Monodur may increase the risk of dizziness or fainting.
Driving and Operating Machinery
Be careful when driving or using machinery until you know how Monodur affects you, as it may cause dizziness.
Storage
Store Monodur in a cool, dry place below 30°C and keep it in the blister pack until ready to use.
Overdose Information
If you suspect an overdose, seek immediate medical attention. Symptoms may include severe headache, flushing, cold sweats, nausea, and vomiting.
Frequently Asked Questions
Monodur typically starts to work within a few hours, but it is important to take it regularly for optimal effectiveness.
You can take Monodur with food, but it is best to follow your doctor's instructions.
No, Monodur is not considered addictive.
Do not stop taking Monodur abruptly without consulting your doctor, as it may worsen your condition.
Be cautious with alcohol, as it may increase the risk of dizziness or fainting.
Weight gain is not a common side effect of Monodur.
Elderly patients should discuss their health conditions with their doctor before taking Monodur.
If you miss a dose, take it as soon as you remember unless it's more than eight hours late. In that case, skip the missed dose.
Important Disclaimer
This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.
If you think you may have a medical emergency, call your doctor or emergency services immediately.