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 amiodarone (Cordarone®), amprenavir (Agenerase®), atazanavir (Reyataz®), digoxin (Lanoxin®), phenytoin (Dilantin®) or St. John's wort. Tell your doctor if you use ergot medicines such as Cafergot®. Make sure your doctor knows if you use phenothiazines such as Compazine®, Phenergan®, Thorazine®, or Trilafon®. Your doctor will need to know if you are using blood pressure medicine such as metoprolol, nadolol, propranolol, Corgard®, Inderal®, or Toprol®. Also, tell your doctor if you are using medicine for depression such as amitriptyline, nortriptyline, Norpramin®, or Vivactil®.
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.
If you are not receiving this medicine for childbirth, make sure your doctor knows if you are pregnant or breast feeding. Tell your doctor if you have asthma, diabetes, liver disease, kidney disease, or seizures (epilepsy). Make sure your doctor knows if you have thyroid problems, circulation problems, high blood pressure, low blood pressure, or a blood-iron disorder called methemoglobinemia.
Tell your doctor if you have any heart problems such as congestive heart failure or heart rhythm disorders (especially Wolff-Parkinson-White syndrome).
This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
It may be easier to hurt yourself while your treated body area is still numb. Be careful to avoid injury until you have regained all the feeling and are no longer numb.
If you are receiving this medicine as an epidural to ease labor pains, it may take longer than normal for you to push your baby out. It is also possible that the baby may have unwanted effects after birth (sleepiness, slow responses). Talk to your doctor if you have questions about how this medicine might affect your baby.