Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Tell your doctor if you are using any medicines that make you sleepy. These include sleeping pills, cold and allergy medicine, narcotic pain relievers, and sedatives.
Make sure your doctor knows if are using a blood thinner such as warfarin (Coumadin®).
Make sure your doctor knows if you are using heart or blood pressure medicine such as beta blockers (atenolol, metoprolol, propranolol, Inderal®, or Toprol®) or calcium channel blockers (such as diltiazem, nifedipine, verapamil, Lotrel®, Norvasc®, Tiazac®).
There are many other drugs that can interact with sufentanil. Make sure your doctor knows about all other medicines you are using.