nitroglycerin (Nitroglycerin) (Injection) 5 mg/mL

Nitroglycerin injection 5 mg/mL is a vasodilator used to treat and prevent angina pectoris. This sterile solution is administered intravenously for rapid relief during acute episodes. It helps widen blood vessels to improve blood flow. Commonly used in hospital settings for chest pain management.

Strength

5 mg/mL

Manufacturer / TM Owner

American Regent, Inc.

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Indications & Clinical Uses

Nitroglycerin injection is used to relieve chest pain caused by angina pectoris, a condition marked by reduced blood flow to the heart. It may also be given before certain medical procedures to prevent angina. This medication belongs to a class of drugs called vasodilators, which help relax and widen blood vessels. It is typically used when oral forms are not suitable or when rapid onset is required.

Side Effects

Nitroglycerin injection works by relaxing the smooth muscle in blood vessel walls, which helps improve circulation and reduce the heart's workload. Users may experience a warm sensation or flushing as the medication takes effect. Some people notice a slight headache or dizziness shortly after administration, which is generally temporary.

Precautions & Warnings

This medication should be handled with care and administered by trained healthcare professionals. It is important to monitor blood pressure closely during and after administration to avoid excessive drops. Patients with severe anemia, recent use of erectile dysfunction medications, or known allergies to nitrates should avoid nitroglycerin. Always inform your healthcare provider of your full medical history before receiving this injection.

Avoid Interactions

Nitroglycerin can interact with other vasodilators, blood pressure medications, and certain erectile dysfunction drugs, potentially causing a significant drop in blood pressure. Alcohol and other medications that lower blood pressure may enhance these effects. CYP3A4 inhibitors, such as certain antifungals or antibiotics, may increase nitroglycerin levels in the blood. Always disclose all medications and supplements to your healthcare provider.

Frequently Asked Questions

Nitroglycerin injection is primarily used to treat and prevent chest pain caused by angina pectoris.

This medication is given intravenously by a healthcare professional in a clinical setting.

No, nitroglycerin injection should only be administered by trained medical staff in a healthcare facility.

Common effects may include headache, dizziness, or a warm sensation during administration.

Patients with severe anemia, recent use of erectile dysfunction medications, or known nitrate allergies should avoid this drug.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated: 29 Jul 2026

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