Keritrina

Glyceryl trinitrate, the active ingredient in Keritrina, is a organic nitrates presented as a transdermal patch for transdermal use. It treats chronic stable angina and helps prevent angina attacks in adults.

GNH USA supplies Keritrina as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Keritrina (glyceryl trinitrate) is used in the management of coronary artery disease, specifically chronic stable angina.

- Chronic stable angina: reduces the frequency and severity of angina episodes. - Prevention of angina attacks: provides prophylactic relief during physical exertion. - Exercise‑induced angina: maintains myocardial oxygen balance during activity.

Keritrina may cause a range of adverse reactions, most of which are related to its vasodilatory properties.

Common Side Effects: - Headache: throbbing pain often occurring shortly after application. - Flushing: warm sensation and reddening of the skin. - Dizziness: light‑headed feeling, especially on standing. - Skin irritation at the patch site: redness or itching.

Serious or Rare Side Effects: - Severe hypotension: marked drop in blood pressure requiring medical attention. - Syncope: transient loss of consciousness. - Methemoglobinemia: rare blood disorder causing reduced oxygen delivery.

When prescribing Keritrina, clinicians should consider several safety measures.

- Avoid use in patients with severe anemia: increased risk of hypoxia. - Monitor blood pressure in patients with existing hypotension: may cause further decline. - Do not combine with phosphodiesterase‑5 inhibitors: risk of profound hypotension. - Use caution in patients with heart failure: may affect preload and cardiac output. - Store at room temperature: keep in the original pouch, protect from moisture and light.

Keritrina can interact with several drug classes, requiring attention to avoid adverse outcomes.

Major Interactions (Avoid): - Sildenafil and other PDE‑5 inhibitors: may cause severe hypotension. - Other organic nitrates: additive vasodilation can lead to dangerous blood pressure drops.

Moderate Interactions (Monitor Closely): - Beta‑blockers: monitor for excessive blood pressure lowering. - Calcium channel blockers: may enhance hypotensive effect. - Antihypertensive agents: dose adjustments may be necessary.