You should not receive this medicine if you have had an allergic reaction to nitroglycerin. You should not receive this medicine if you have certain types of serious heart conditions. Your doctor will determine if you have any of these conditions.
A nurse or other trained health professional will give you this medicine. This medicine is given as a constant infusion ("drip") through a needle placed in one of your veins. Your dose of nitroglycerin may need to be changed more than once, depending on your blood pressure, any chest discomfort, and other symptoms.
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Make sure your doctor knows if you are using heparin or blood pressure medicine such as diltiazem, nifedipine, verapamil, Cartia®, Lotrel®, Norvasc®, Plendil®, or Tiazac®. Make sure your doctor knows if you are using sildenafil (Viagra®) or other medicines that dilate your blood vessels.
There may be other medicines that can interact with nitroglycerin. Make sure your doctor knows about all other medicines you are using, or have used recently.
Make sure your doctor knows if you are pregnant or breast feeding, or if you are allergic to corn or corn products. Tell your doctor if you have diabetes, heart disease, liver disease, or kidney disease.
This medicine may cause lightheadedness or fainting, especially after getting up from a sitting or lying position. Change positions slowly. Do not get out of bed unless a caregiver says it is OK.
Make sure any doctor or dentist who treats you knows that you are using this medicine. This medicine may affect the results of certain medical tests.