Drugs A - Z
Nitroglycerin Sublingual tablet
An antianginal agent - It relaxes blood vessels, increasing the blood and oxygen supply to your hear... more
Generic Name: nitroglycerin | Brand Name: Nitrogard
Brand Names:
Nitrostat, Nitro-Time, Nitrong, Nitrolingual Duo Pack, Nitrocot, Nitrolingual, Nitro-Par, Nitroglycerin ER, Nitroquick, Tridil, See more brands »
What is this medicine?
NITROGLYCERIN (nye troe GLI ser in) is a type of vasodilator. It relaxes blood vessels, increasing the blood and oxygen supply to your heart. This medicine is used to relieve chest pain caused by angina. It is also used to prevent chest pain before activities like climbing stairs, going outdoors in cold weather, or sexual activity.This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:- anemia
- head injury, recent stroke, or bleeding in the brain
- liver disease
- previous heart attack
- an unusual or allergic reaction to nitroglycerin, other medicines, foods, dyes, or preservatives
- pregnant or trying to get pregnant
- breast-feeding
How should I use this medicine?
Take this medicine by mouth as needed. At the first sign of an angina attack (chest pain or tightness) place one tablet under your tongue. You can also take this medicine 5 to 10 minutes before an event likely to produce chest pain. Follow the directions on the prescription label. Let the tablet dissolve under the tongue. Do not swallow whole. Replace the dose if you accidentally swallow it. It will help if your mouth is not dry. Saliva around the tablet will help it to dissolve more quickly. Do not eat or drink, smoke or chew tobacco while a tablet is dissolving. If you are not better within 5 minutes after taking ONE dose of nitroglycerin, call 9-1-1 immediately to seek emergency medical care. Do not take more than 3 nitroglycerin tablets over 15 minutes.If you take this medicine often to relieve symptoms of angina, your doctor or health care professional may provide you with different instructions to manage your symptoms. If symptoms do not go away after following these instructions, it is important to call 9-1-1 immediately. Do not take more than 3 nitroglycerin tablets over 15 minutes.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
This does not apply. This medicine is only used as needed.What may interact with this medicine?
Do not take this medicine with any of the following medications:- certain migraine medicines like ergotamine and dihydroergotamine (DHE)
- medicines used to treat erectile dysfunction like sildenafil, tadalafil, and vardenafil
This medicine may also interact with the following medications:
- alteplase
- aspirin
- heparin
- medicines for high blood pressure
- medicines for mental depression
- other medicines used to treat angina
- phenothiazines like chlorpromazine, mesoridazine, prochlorperazine, thioridazine
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
The Healthline Site, its content, such as text, graphics, images, search results, HealthMaps, Trust Marks,
and other material contained on the Healthline Site ("Content"), its services, and any information or material
posted on the Healthline Site by third parties are provided for informational purposes only. None of the
foregoing is a substitute for professional medical advice, examination, diagnosis, or treatment. Always seek
the advice of a physician or other qualified healthcare provider with any questions you may have regarding a
medical condition. Never disregard professional medical advice or delay in seeking it because of something you
have read on the Healthline Site. If you think you may have a medical emergency, call your doctor or 911 immediately.
Please read the Terms of Service
for more information regarding use of the Healthline Site.
Advertisement
