Chemical Name: NITROGLYCERIN (nye-troe-GLI-ser-in)
Nitroglycerin is a nitrate used to treat and prevent angina (chest pain). Nytroglycerin may also be used to treat other conditions as determined by your doctor.
Some medicines or medical conditions may interact with Nitroglycerin. INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. DO NOT TAKE Nitroglycerin if you are also taking phosphodiesterase inhibitors (such as sildenafil, tadalafil, or vardenafil). ADDITIONAL MONITORING OF YOUR DOSE OR CONDITION may be needed if you are taking medicine for high blood pressure such as beta blockers (atenolol or metoprolol, for example), or calcium channel blockers (amlodipine, diltiazem, or verapamil, for example); or if you are taking phenothiazines (such as chlorpromazine, perphenazine, or trifluoperazine). Inform your doctor of any other medical conditions, allergies, pregnancy, or breast-feeding. Contact your doctor or pharmacist if you have any questions or concerns about taking Nitroglycerin.
Follow the directions for using Nitroglycerin provided by your doctor. DO NOT EAT OR DRINK anything while you are using Nitroglycerin. AT THE FIRST SIGN OF AN ANGINA ATTACK, sit down and place 1 tablet under tongue. Allow it to dissolve completely. Do not chew or swallow the tablet. Repeat every 5 minutes until relief is obtained. Do not use more than 3 tablets in 15 minutes. IF YOU STILL HAVE PAIN after using 3 tablets, contact your doctor or seek emergency medical care. YOUR DOCTOR MAY GIVE YOU OTHER INSTRUCTIONS about how to take Nitroglycerin. Talk with your doctor if you have questions about what to do if Nitroglycerin does not relieve your chest pain, if your chest pain worsens after taking Nitroglycerin, or when you should seek medical attention. KEEP Nitroglycerin IN THE ORIGINAL CONTAINER, with the lid tightly closed. STORE Nitroglycerin at room temperature, away from heat and light.
DO NOT TAKE Nitroglycerin if you have had an allergic reaction to it or are allergic to any ingredient in this product. Nitroglycerin MAY AFFECT CERTAIN LAB TEST RESULTS. Make sure laboratory personnel and your doctors know you use Nitroglycerin. Nitroglycerin MAY CAUSE dizziness. Drinking alcohol will worsen this effect. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to Nitroglycerin. If dizziness occurs, sit up or stand up slowly. Nytroglycerin MAY GIVE you a headache or cause a burning or tingling in your mouth. These effects are normal. FOR MEN: DO NOT TAKE PHOSPHODIESTERASE INHIBITORS (such as sildenafil, tadalafil, or vardenafil) while using Nitroglycerin. FOR WOMEN: IF YOU PLAN ON BECOMING PREGNANT, discuss with your doctor the benefits and risks of using Nitroglycerin during pregnancy. IT IS UNKNOWN IF THIS DRUG IS EXCRETED in breast milk. IF YOU ARE OR WILL BE BREAST-FEEDING while you are using Nitroglycerin, check with your doctor or pharmacist to discuss the risks to your baby.
Possible side effects
SIDE EFFECTS that may occur while you are taking Nitroglycerin include dizziness, lightheadedness, or fainting when sitting or standing; headache; burning or tingling in mouth; fast heartbeat; or flushing of your face and neck. If they continue or are bothersome, check with your doctor. CONTACT YOUR DOCTOR IMMEDIATELY if you experience continuing chest pain; pain in neck, arm or jaw; excessive sweating; or vomiting. An allergic reaction to Nitroglycerin is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash, itching, swelling, severe dizziness, or trouble breathing. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist.
If you take too much
If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include a persistent, throbbing headache; dizziness; confusion; weakness; sweating; changes in heart rate; changes in vision; flushing; nausea; and vomiting.
Nitroglycerin loses potency quickly. If the medicine in an opened bottle does not relieve your symptoms, discard the bottle and obtain a refill. DO NOT SHARE Nitroglycerin with others for whom it was not prescribed. DO NOT USE Nitroglycerin for other health conditions. KEEP Nitroglycerin out of the reach of children. IF USING Nitroglycerin FOR AN EXTENDED PERIOD OF TIME, obtain refills before your supply runs out.