Minitran (Glyceryl Trinitrate)
Complete patient guide for uses, dosage, side effects, and safety information
Quick Facts
What Is Minitran Used For?
Minitran is a transdermal patch that contains glyceryl trinitrate, which helps to prevent angina attacks by relaxing blood vessels and improving blood flow to the heart.
Primary Uses
Minitran is primarily used to prevent angina attacks.
How It Works
The glyceryl trinitrate in Minitran is absorbed through the skin into the bloodstream, helping to relax blood vessels and increase blood and oxygen supply to the heart.
Good to know: Minitran is not considered addictive.
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How to Take Minitran
Minitran should be applied as directed by your doctor, typically once a day in the morning.
Dosage Instructions
Your doctor may start you on a Minitran 5 patch daily, which may be adjusted to Minitran 10 or Minitran 15 patches as needed.
What If You Miss a Dose?
If you miss a dose, apply the patch as soon as you remember unless it's almost time for your next patch. In that case, skip the missed patch and continue with your regular schedule.
Important: Never apply two patches at the same time to make up for a missed dose.
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:
- headaches
- reddening and itchiness of the skin after removing the patch
- dizziness
- lightheadedness
- low blood pressure
- hot flushes
- nausea
- vomiting
Seek immediate medical attention if you experience:
- allergic reactions (rash, itching, swelling, difficulty breathing)
- severe redness, swelling, or blisters under the patch
- chest pains not relieved by usual angina medication
- severe headache
Important Warnings
There are several important warnings to consider before using Minitran.
Who Should Not Take Minitran
Do not use Minitran if you are allergic to glyceryl trinitrate or any of its ingredients, or if you have severe anemia, closed angle glaucoma, increased pressure in the head, heart valve disease, or are taking certain medications for erectile dysfunction.
Medical Conditions to Discuss
Discuss with your doctor if you have low blood pressure, heart problems, or any other medical conditions.
Pregnancy and Breastfeeding
Consult your doctor if you are pregnant or breastfeeding, as the safety of Minitran during pregnancy has not been established.
Elderly Patients With Dementia: Elderly patients may experience severe low blood pressure, especially when standing.
Drug Interactions
Certain medications may interact with Minitran and affect its effectiveness.
- medications for angina
- medications for high blood pressure or heart problems (e.g., diuretics, calcium channel blockers, beta blockers, ACE inhibitors)
- tricyclic antidepressants
- dihydroergotamine for migraines
- medications for erectile dysfunction (e.g., sildenafil, vardenafil, tadalafil)
Alcohol & Driving
Be cautious with alcohol consumption and driving while using Minitran.
Alcohol
Avoid drinking alcohol while using Minitran, as it may enhance the blood pressure-lowering effects.
Driving and Operating Machinery
Be careful when driving or using machinery until you know how Minitran affects you, as it may cause dizziness.
Storage
Store Minitran patches in a cool, dry place below 25°C. Do not refrigerate and keep out of reach of children.
Overdose Information
If you suspect an overdose of Minitran, seek immediate medical attention. Contact your doctor or the Poisons Information Centre at 13 11 26.
Frequently Asked Questions
Minitran begins to work as soon as the patch is applied, with effects lasting throughout the day.
There are no specific dietary restrictions mentioned for Minitran.
Minitran is not considered addictive.
Stopping Minitran suddenly may lead to increased angina attacks; consult your doctor for a gradual reduction plan.
It is not recommended to drink alcohol while using Minitran due to potential increased side effects.
Weight gain is not listed as a side effect of Minitran.
Elderly patients should use Minitran with caution due to the risk of low blood pressure.
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.