Ormox
Ormox is a heart medicine that widens blood vessels, helping to prevent chest pain and treat heart failure.
Form
tabletti
Strength
20 mg
Active Ingredient
Isosorbide mononitrate
Manufacturer
Orion Corporation
How to Use
Dosage
Usually 1 to 2 tablets in the morning and 1 to 2 tablets in the afternoon, as prescribed by your doctor.
Method
Take the tablet with a glass of water, with or without food. Swallow the tablet whole; do not let it dissolve under your tongue. The 20 mg tablet can be divided.
Important
Do not take more than 4 tablets per day, unless your doctor tells you otherwise.
Possible Side Effects
COMMON
- •Headache
- •Dizziness
- •Feeling weak
- •Fast heartbeat (tachycardia)
- •Low blood pressure, especially when standing up
- •Flushed skin
- •Nausea
- •Vomiting
RARE
- •Changes in hemoglobin (methemoglobinemia)
- •Restlessness
- •Confusion
- •Sleeplessness
- •Fainting
- •Increased pressure inside the head
- •Vision problems
- •Heart rhythm problems
- •Shock
- •Stomach pain
- •Diarrhea
- •Heartburn
- •Dry mouth
- •Allergic rash
- •Itching
- •Muscle pain
- •Urination problems
- •Frequent need to urinate
- •Erection problems
- •Increased eye pressure
Important Warnings
- Do not take Ormox if you are allergic to isosorbide mononitrate, other nitrate medicines, or any other ingredient in this medicine.
- Do not take Ormox if you have very low blood volume.
- Do not take Ormox if you have very low blood pressure with dizziness or dehydration.
- Do not take Ormox for sudden chest pain (like a heart attack), because it works too slowly. You need a fast-acting nitrate medicine in such cases.
- Do not take Ormox if you are in a state of shock.
Show 8 more warnings
- Do not take Ormox if you are using medicines for erection problems (such as sildenafil, vardenafil, or tadalafil).
- Do not take Ormox if you are using riociguat, as it can cause a big drop in blood pressure.
- Talk to your doctor if you have blood circulation problems in your brain or if you tend to get dizzy when you stand up quickly.
- Talk to your doctor if you have certain heart conditions, such as thickened heart muscle, narrowed heart valves, a leaky heart valve, fluid around the heart, or heart sac inflammation.
- Talk to your doctor if you have a lung disease that affects your heart or if you have too little oxygen in your blood.
- Talk to your doctor if you have high pressure inside your head.
- Talk to your doctor if you have glaucoma (high eye pressure).
- Talk to your doctor if you have changes in your hemoglobin (a substance in red blood cells).
Use in Elderly Patients
Category A
Suitable for older adults. Consider reduced blood pressure and the risk of fainting due to orthostatic hypotonia. Need for long-acting product should be assessed regularly. (updated 19.5.2025)