Europe — EMA
Nitroderm Tts (Glyceryl Trinitrate)
GNH USA supplies Nitroderm Tts (Glyceryl Trinitrate), an organic nitrate for prophylaxis of angina and chronic heart failure.
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What is Glyceryl Trinitrate?
Glyceryl Trinitrate, the active ingredient in Nitroderm Tts, is an organic nitrate presented as a transdermal patch for transdermal use. It treats angina pectoris, provides relief of acute angina attacks, and is employed in the management of chronic heart failure. GNH USA supplies Nitroderm Tts as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.
What is Glyceryl Trinitrate used for?
Nitroderm Tts, containing glyceryl trinitrate, is used in the management of coronary artery disease and related conditions.
Prophylaxis of angina pectoris: reduces the frequency of angina episodes in stable patients. Treatment of acute angina attacks: delivers rapid relief of chest pain during an angina episode. Management of chronic heart failure: lowers myocardial oxygen demand and improves symptom burden.
What are the side effects of Glyceryl Trinitrate?
Nitroderm Tts may cause a range of adverse reactions.
Common Side Effects: - Headache: throbbing pain often occurring shortly after application. - Flushing: warm sensation and reddening of the skin. - Dizziness or light‑headedness: related to blood pressure changes. - Hypotension: mild to moderate drop in blood pressure. - Skin irritation at the patch site: erythema or itching. - Tachycardia: compensatory increase in heart rate.
Serious or Rare Side Effects: - Severe hypotension: marked blood pressure fall requiring medical attention. - Syncope: sudden loss of consciousness. - Myocardial infarction: rare but possible in susceptible individuals. - Severe allergic reaction: rash, swelling, or difficulty breathing. - Worsening angina: paradoxical increase in chest pain. - Methemoglobinemia: rare blood disorder affecting oxygen transport.
What precautions apply to Glyceryl Trinitrate?
Before prescribing Nitroderm Tts, clinicians should evaluate patient suitability and monitor for potential complications.
Assess cardiovascular status: check blood pressure and heart rate prior to initiation. Review concomitant nitrate use: avoid additive hypotensive effects. Monitor for hypotension: advise patients to rise slowly from sitting or lying positions. Educate on patch removal: ensure proper disposal to prevent accidental exposure. Avoid heat exposure: advise against using heating pads or hot tubs while the patch is in place. Store at room temperature: keep in the original packaging, protect from moisture and direct sunlight.
What does Glyceryl Trinitrate interact with?
Nitroderm Tts can interact with several drug classes, requiring careful management.
Major Interactions (Avoid): - Phosphodiesterase‑5 inhibitors (e.g., sildenafil, tadalafil): may cause severe hypotension. - Other organic nitrates or nitrites: risk of additive blood pressure lowering.
Moderate Interactions (Monitor Closely): - Antihypertensive agents (e.g., ACE inhibitors, ARBs): may enhance blood pressure reduction. - Beta‑blockers: can mask tachycardia that signals hypotension. - Diuretics: may increase the likelihood of orthostatic hypotension.



