Tell your doctor about all your current medicines, especially:
aspirin, heparin;
a diuretic (water pill);
any medicine to treat erectile dysfunction;
medicine to treat depression or psychiatric illness;
medicine used to treat blood clots;
heart or blood pressure medicine; or
migraine headache medicine, such as ergot medicine (dihydroergotamine, ergotamine, ergonovine, methylergonovine).
This list is not complete and many other drugs may interact with nitroglycerin. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.
 Nitrostat drug interactions (more detail)
