Product image of Nitrolingual (Glyceryl Trinitrate) supplied by GNH India

Nitrolingual

Active Ingredient:
Glyceryl Trinitrate
Origin:
EU

Nitrolingual (Glyceryl Trinitrate)

Glyceryl Trinitrate, the active ingredient in Nitrolingual, is a nitrate presented as a sublingual formulation for sublingual use. It is employed to relieve episodes of angina pectoris and to manage acute coronary syndrome in adult patients by rapidly dilating coronary vessels and reducing myocardial oxygen demand. It acts within minutes, providing prompt symptom relief and is commonly stored for emergency use.

GNH India supplies Nitrolingual as a licensed, GDP‑compliant international pharmaceutical product to hospitals, pharmacies and clinics worldwide, ensuring consistent quality and regulatory compliance across markets.

Manufacturer / TM Owner

G. Pohl-Boskamp Gmbh Co. Kg

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Indications & Clinical Uses

Nitrolingual (glyceryl trinitrate) is a nitrate used in the management of coronary artery disease and related ischemic conditions.

  • Angina pectoris: provides rapid relief of chest pain by dilating coronary vessels and decreasing cardiac workload.
  • Acute coronary syndrome: stabilises myocardial oxygen supply during an acute event.
  • Variant (Prinzmetal) angina: prevents coronary spasm and associated chest discomfort.

How It Works

  • Glyceryl trinitrate is converted enzymatically to nitric oxide, which activates soluble guanylate cyclase in vascular smooth muscle. The resulting increase in cyclic GMP leads to relaxation of both venous and arterial smooth muscle, producing vasodilation, reduced preload and afterload, and consequently lower myocardial oxygen consumption.

Side Effects

Nitrolingual may cause a range of adverse reactions. Patients should be informed of typical and serious possibilities.

Common Side Effects

  • Headache: throbbing pain often triggered by vasodilation.
  • Flushing: warmth and redness of the skin.
  • Hypotension: transient drop in blood pressure.
  • Dizziness or light‑headedness.
  • Nausea: mild gastrointestinal upset.
  • Tachycardia: compensatory increase in heart rate.

Serious or Rare Side Effects

  • Severe hypotension: may lead to syncope.
  • Syncope: sudden loss of consciousness.
  • Myocardial infarction: rare but possible in high‑risk patients.
  • Allergic reaction: rash, itching, or swelling.
  • Methemoglobinemia: abnormal hemoglobin affecting oxygen delivery.

Precautions & Warnings

Before prescribing Nitrolingual, clinicians should consider several safety aspects.

  • Severe anemia: avoid use due to increased risk of methemoglobinemia.
  • Concomitant phosphodiesterase‑5 inhibitors: may cause profound hypotension.
  • Blood pressure monitoring: observe for significant drops after administration.
  • Hypertrophic cardiomyopathy: use with caution as outflow obstruction may worsen.
  • Store at ambient temperature: keep in the original pack, protect from moisture and light.

Avoid Interactions

Nitrolingual can interact with several drug classes, requiring careful management.

Major Interactions (Avoid)

  • Sildenafil, tadalafil, and other PDE5 inhibitors: risk of severe hypotension.
  • Other nitrates (e.g., isosorbide dinitrate): additive vasodilatory effect.
  • Sodium nitroprusside: excessive vasodilation leading to critical blood pressure fall.

Moderate Interactions (Monitor Closely)

  • Beta‑blockers: may mask tachycardia response.
  • Calcium channel blockers: additive blood pressure lowering.
  • Alcohol: enhances hypotensive effect.

Frequently Asked Questions

Nitrolingual contains glyceryl trinitrate, a nitrate that is prescribed to relieve chest pain in angina pectoris and to manage acute coronary syndrome. It works quickly when placed under the tongue, providing prompt relief of ischemic cardiac symptoms.

Glyceryl trinitrate is metabolised to nitric oxide, which activates guanylate cyclase in vascular smooth muscle. The resulting rise in cyclic GMP causes relaxation of veins and arteries, lowering cardiac preload and afterload and reducing the heart’s oxygen demand.

The specific dose and frequency of Nitrolingual are determined by the prescribing clinician based on the patient’s condition, severity of symptoms, and response to therapy. Patients should follow the exact instructions provided by their healthcare professional.

The safety of Nitrolingual in pregnancy and lactation has not been definitively established. Healthcare providers should weigh potential benefits against possible risks and consider alternative therapies when appropriate.

To request Nitrolingual, submit an enquiry on the 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.

Nitrolingual is a short‑acting nitrate that provides rapid relief, whereas other anti‑anginal agents such as beta‑blockers or calcium‑channel blockers act over longer periods to prevent episodes. Nitrates are often used for immediate symptom control, while other classes are used for maintenance therapy.

Nitrolingual should be stored at ambient temperature, below 25 °C, in its original packaging to protect it from moisture and light. Keeping the tablets in a dry, cool place helps maintain potency.

Nitrolingual is taken sublingually. The tablet is placed under the tongue and allowed to dissolve completely without swallowing, ensuring rapid absorption into the bloodstream for quick symptom relief.

The most serious risks include severe hypotension, syncope, and rare cases of myocardial infarction or methemoglobinemia. Patients should be monitored for sudden drops in blood pressure and advised to seek medical attention if serious symptoms develop.

Nitrolingual is contraindicated in patients with known hypersensitivity to nitrates, severe anemia, or those taking phosphodiesterase‑5 inhibitors. Caution is also advised for individuals with hypotension, recent head injury, or increased intracranial pressure.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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