Nitroglycerin

Key points

• Nitroglycerin belongs to the Heart & Blood Pressure category and works by relaxing blood vessel walls, easing the workload on the heart.
• The capsule comes in three strengths (0.5 mg, 2.5 mg, and 6.5 mg), so the dose can be adjusted.
• Dizziness and headaches are known side effects, and it can interact with other blood-pressure medicines.

Common questions about Nitroglycerin

What is angina pectoris?

Angina pectoris is chest pain or discomfort that occurs when the heart muscle does not receive enough oxygen-rich blood. It is often triggered by physical effort or stress and may feel like pressure or squeezing in the chest. Angina Pectoris provides further detail on the condition.

Is Nitroglycerin the same as glyceryl trinitrate?

Yes. Glyceryl trinitrate is another name for nitroglycerin, and both terms refer to the same active ingredient. Products listed under either name are used to treat angina pectoris by improving blood flow to the heart.

Further reading

• Nitroglycerin Sublingual: MedlinePlus Drug Information
• Glyceryl trinitrate Macure 1 mg/ml Solution for infusion - Summary of Product Characteristics (SmPC) - (emc) | 100623