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Description
Glyceryl trinitrate spray is a medication used to treat and prevent chest pain (angina) by relaxing and widening blood vessels, improving blood flow to the heart.
**Primary Medical Uses:**
– Relief and prevention of angina attacks.
**Drug Class or Type:**
– Nitrate vasodilator.
**General Mechanism of Action:**
– Glyceryl trinitrate releases nitric oxide, which relaxes smooth muscle in blood vessel walls, leading to vasodilation and increased blood flow to the heart.
**Common Forms:**
– Sublingual spray.
**Dosage Instructions:**
– At the onset of an angina attack, spray once or twice under the tongue while holding your breath.
– If pain persists after 5 minutes, a second dose may be taken.
– If pain continues after a total of 3 doses, seek emergency medical attention.
**Side Effects, Contraindications, or Interactions:**
– **Side Effects:** Common side effects include headaches, dizziness, and flushing.
– **Contraindications:** Do not use if allergic to glyceryl trinitrate, have low blood pressure (systolic <90 mmHg), or have taken sildenafil or similar medications within the past 24 hours.
– **Interactions:** Avoid alcohol during treatment, as it may enhance the blood pressure-lowering effect.
Glyceryl trinitrate spray is designed to provide rapid relief from angina by improving blood flow to the heart, thereby reducing chest pain.
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