Product image of Ismo Retard (Isosorbide 5 Mononitrate) supplied by GNH India

Ismo Retard

Active Ingredient:
Isosorbide 5 Mononitrate
Origin:
EU

Ismo Retard (Isosorbide 5 Mononitrate)

Isosorbide 5-Mononitrate, the active ingredient in Ismo Retard, is a nitrate vasodilator presented as an oral tablet for oral use. It works by donating nitric oxide to relax vascular smooth muscle, thereby reducing cardiac workload. The medication is indicated for the prevention of angina pectoris and for the long‑term management of chronic stable angina in adult patients.

GNH India supplies Ismo Retard as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, ensuring quality and regulatory compliance across all markets.

Manufacturer / TM Owner

Esteve Pharmaceuticals Gmbh

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Indications & Clinical Uses

Ismo Retard, a nitrate vasodilator, is used in the management of coronary artery disease‑related angina.

  • Prevention of angina pectoris: reduces the frequency of angina attacks in patients with chronic stable angina.
  • Chronic stable angina: improves exercise tolerance and decreases myocardial oxygen demand.
  • Ischemic heart disease: provides symptomatic relief of chest pain associated with reduced coronary blood flow.

How It Works

  • Isosorbide 5‑Mononitrate is metabolized to release nitric oxide, which activates soluble guanylate cyclase in vascular smooth‑muscle cells. The resulting increase in cyclic guanosine monophosphate (cGMP) causes relaxation of arterial and venous smooth muscle, producing vasodilation. This reduces both preload and afterload, lowers cardiac wall stress, and enhances myocardial oxygen supply, thereby alleviating anginal symptoms.

Side Effects

Ismo Retard may cause a range of adverse reactions, which are categorized by frequency and severity.

Common Side Effects

  • Headache
  • Dizziness
  • Flushing
  • Hypotension
  • Nausea
  • Palpitations

Serious or Rare Side Effects

  • Severe hypotension
  • Syncope
  • Myocardial infarction
  • Severe allergic reaction (anaphylaxis)
  • Tachycardia
  • Worsening of angina

Precautions & Warnings

When prescribing Ismo Retard, clinicians should observe several precautionary measures to ensure patient safety.

  • Monitor blood pressure: check for hypotension especially after the first dose.
  • Avoid abrupt discontinuation: taper to prevent rebound angina.
  • Use with caution in hepatic impairment: dose adjustment may be required.
  • Assess concomitant use of phosphodiesterase‑5 inhibitors: increased risk of severe hypotension.
  • Avoid concurrent nitrates: risk of additive vasodilation.
  • Store at room temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Ismo Retard can interact with several drug classes, requiring careful management.

Major Interactions (Avoid)

  • Other nitrate preparations: additive vasodilatory effect leading to severe hypotension.
  • Phosphodiesterase‑5 inhibitors (e.g., sildenafil, tadalafil): risk of profound hypotension.
  • Sodium nitroprusside: excessive vasodilation.

Moderate Interactions (Monitor Closely)

  • Antihypertensive agents (ACE inhibitors, ARBs, calcium channel blockers): may enhance blood pressure lowering.
  • Diuretics: can potentiate orthostatic hypotension.
  • Beta‑blockers: may mask tachycardia signs of hypotension.

Frequently Asked Questions

Ismo Retard contains Isosorbide 5‑Mononitrate and is prescribed to prevent episodes of angina pectoris and to manage chronic stable angina. It helps reduce the frequency and severity of chest pain caused by reduced blood flow to the heart muscle.

The active ingredient releases nitric oxide in the bloodstream, which activates guanylate cyclase in vascular smooth‑muscle cells. This raises cGMP levels, causing the muscles to relax, dilating arteries and veins, lowering cardiac preload and afterload, and improving oxygen delivery to the myocardium.

The dosage of Ismo Retard is determined individually by the prescribing clinician based on the patient’s clinical condition, response, and tolerance. Patients should follow the exact regimen provided by their healthcare professional and not adjust the dose on their own.

Safety data for Isosorbide 5‑Mononitrate in pregnancy and lactation are limited. The medication should only be used if the potential benefit justifies any possible risk to the fetus or infant, and this decision must be made by a qualified healthcare provider.

To place an order, submit an enquiry on the Ismo Retard product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.

Ismo Retard belongs to the nitrate class, which provides rapid vasodilation and is particularly effective for prophylaxis of angina. Compared with beta‑blockers or calcium‑channel blockers, nitrates have a distinct mechanism and are often used in combination when monotherapy does not achieve adequate symptom control.

Ismo Retard should be stored at room temperature, below 25 °C, in its original packaging. Keep the product away from moisture and direct sunlight to maintain stability and potency throughout its shelf life.

Ismo Retard is taken orally, usually with a glass of water. The tablet should be swallowed whole and not crushed or chewed, unless otherwise directed by a healthcare professional.

The most serious adverse events include severe hypotension, syncope, myocardial infarction, and rare allergic reactions such as anaphylaxis. Patients should seek immediate medical attention if they experience sudden dizziness, fainting, chest pain worsening, or signs of an allergic response.

Ismo Retard is contraindicated in patients who are currently taking other nitrate medications, have severe hypotension, or have known hypersensitivity to Isosorbide 5‑Mononitrate or any excipients. It should also be avoided in individuals using phosphodiesterase‑5 inhibitors without medical supervision.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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