U.S. doctors online nowAsk doctors free
A 39-year-old member asked:

What does nitroglycerin do in the body?

3 doctor answers5 doctors weighed in
Dr. Mark Stern
Cardiology 47 years experience
Dilates blood vessel: It dilates blood vessels temporarily. If it dilates coronary ateries it can stop an episode of chest pain. Jf it dilates arteries in the brain it can cause a headache. It can teporarily lower blood pressure.
Dr. John Burns
47 years experience
Dilates vessels: Nitroglycerin is a potent dilator of veins and arteries.
Dr. Gerald Neuberg
Cardiology 39 years experience
Relax blood vessels: In the heart that can increase blood flow to stop an angina (chest pain) episode, but it also can produce side effects of low blood pressure (so take it sitting down) or headache.

Related questions

A 34-year-old member asked:
Can you get a buzz from nitroglycerin?
2 doctor answers12 doctors weighed in
A 24-year-old member asked:
What is an alternative for nitroglycerin?
1 doctor answer5 doctors weighed in
A 44-year-old member asked:
Effects of nitroglycerin if taken too much?
1 doctor answer2 doctors weighed in
A 46-year-old member asked:
What is nitrostat (nitroglycerin) used for?
1 doctor answer2 doctors weighed in
A 34-year-old member asked:
Can an overdose of nitroglycerin cause death?
1 doctor answer2 doctors weighed in
Last updated Sep 21, 2017
Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
24/7 visits - just $39!
50% off with $15/month membership


Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.