Europe — EMA
Nitroglycerin Teav (Glyceryl Trinitrate)
GNH USA supplies Nitroglycerin Teav (Glyceryl Trinitrate), an organic nitrate for angina pectoris, chronic stable angina and prophylaxis of angina attacks.
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What is Glyceryl Trinitrate?
Glyceryl trinitrate, the active ingredient in Nitroglycerin Teav, is an organic nitrate presented as a transdermal patch for cutaneous (transdermal) use. It is indicated for the treatment of angina pectoris, chronic stable angina, and for prophylaxis of angina attacks in adult patients.
GNH USA supplies Nitroglycerin Teav as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, with distribution channels that meet EU regulatory standards. The product complies with European Union Good Manufacturing Practice and is sourced from approved facilities.
What is Glyceryl Trinitrate used for?
Nitroglycerin Teav, an organic nitrate, is used in the management of coronary artery disease‑related conditions. - Angina pectoris: provides rapid relief of chest pain by improving myocardial blood flow. - Chronic stable angina: reduces frequency of angina episodes during daily activities. - Prophylaxis of angina attacks: prevents occurrence of angina episodes when used regularly.
What are the side effects of Glyceryl Trinitrate?
Nitroglycerin Teav may cause a range of adverse reactions, which are categorized by frequency and severity.
Common Side Effects: - Headache: throbbing pain often occurring shortly after application. - Flushing: warmth and redness of the face or upper body. - Dizziness: light‑headed sensation, especially when standing quickly. - Hypotension: mild drop in blood pressure causing faintness. - Nausea: upset stomach or feeling of queasiness. - Skin irritation: redness or itching at the patch site. - Vision changes: blurred vision.
Serious or Rare Side Effects: - Severe hypotension: marked blood pressure fall leading to syncope. - Methemoglobinemia: abnormal hemoglobin affecting oxygen delivery. - Allergic reaction: rash, swelling, or difficulty breathing. - Tachycardia: rapid heart rate that may be symptomatic. - Chest pain worsening: paradoxical increase in angina. - Life‑threatening arrhythmias: rare but possible cardiac rhythm disturbances.
What precautions apply to Glyceryl Trinitrate?
When prescribing Nitroglycerin Teav, clinicians should observe several safety measures to minimize risks. - Assess cardiovascular status: evaluate blood pressure and heart rate before initiating therapy. - Avoid concurrent use with phosphodiesterase‑5 inhibitors: risk of profound hypotension. - Monitor for tolerance: efficacy may decrease with continuous use; consider drug‑free intervals. - Educate patients on proper patch placement: apply to clean, dry, hair‑free skin and rotate sites. - Counsel on orthostatic precautions: rise slowly to reduce dizziness. - Store at room temperature: keep below 25°C in original packaging, protect from moisture and direct sunlight.
What does Glyceryl Trinitrate interact with?
Nitroglycerin Teav can interact with other medicines, altering its effectiveness or safety profile.
Major Interactions (Avoid): - Phosphodiesterase‑5 inhibitors (e.g., sildenafil): may cause severe hypotension. - Other organic nitrates or nicorandil: additive vasodilatory effect leading to dangerous blood pressure drop. - Systolic blood pressure‑lowering agents (e.g., hydralazine): increased risk of hypotension.
Moderate Interactions (Monitor Closely): - Antihypertensive drugs (beta‑blockers, ACE inhibitors): may enhance blood pressure‑lowering effect. - Diuretics: can potentiate orthostatic hypotension. - Alcohol: may increase vasodilatory response and dizziness.



