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Home > Drug Category > Angina Medication > Ismo and Equivalent

Ismo Information

Ismo (isosorbide-5-mononitrate) is used to prevent chest pain (angina) and feeling of pressure around the heart (recurring angina pectoris) in patients with a certain heart condition (coronary artery disease). This medication belongs to a class of drugs known as nitrates. It works by relaxing and widening blood vessels so that blood can flow more easily to the heart. This medication will not relieve chest pain once it occurs. This medicine is not intended to be taken just before physical activities (such as exercise or sexual intercourse) to prevent chest pain. Ismo is available as 10 mg and 20 mg tablets.

Ismo Side Effects

The most common side effects of Ismo may include dizziness; flushing; nausea; tiredness; headache; chest pain that is new or worse; slow or fast heartbeat. Call your doctor right away if you have any of the serious side effects such as:
• Fainting, fast/irregular/pounding heartbeat;
• Gastro-intestinal symptoms, e.g. nausea and/or vomiting, especially when first used;
• Low blood pressure.

Ismo Precautions

Do not use Ismo if you are allergic to isosorbide-5-mononitrate or to any other ingredients in this medication; are allergic to isosorbide dinitrate; have marked low blood pressure; suffer from circulatory collapse; suffer from heart problems; have severe anaemia; closed angle glaucoma; conditions associated with raised pressure on the brain (e.g., following head trauma and cerebral haemorrhage); have decreased blood volume; are taking sildenafil. Before you start taking this medication, tell your doctor about your medical history, including if you have hypothyroidism; suffer from malnutrition; have severe liver or kidney problems; have low body temperature; have recent history of heart attack; are already taking medicine to lower blood pressure; are pregnant or breast-feeding. Tell your doctor about all the medications you take including prescription, OTC, herbal supplements and vitamins. There may be a drug interaction between Ismo and other medications. Do not drink alcohol whilst taking Ismo as it may increase the blood pressure lowering effect of Ismo. While taking Ismo, you may experience blurred vision and feel dizzy or light-headed if you stand up or move suddenly. If you experience such symptoms, do not drive or operate machinery. Ismo contains 148 mg milk sugar (lactose) per tablet. If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking Ismo.

BigMountainDrugs.com supplies only genuine Ismo from the UK shipped using the UK packaging. This Ismo is manufactured by Genetech Inc. (a member of Roche Group), the worldwide manufacturer of Ismo. This offer is neither endorsed nor authorized by Genetech Inc. (the United States and Canadian distributor of Ismo). BigMountainDrugs.com has no affiliation whatsoever with Genetech Inc.

Do I need a prescription to order Ismo?

Yes, a prescription is required from your physician to order Ismo.