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 about any other medicine you have used recently.
Make sure your doctor knows if you are pregnant or breast feeding. Tell your doctor if you have a history of stroke or other blood flow problems to the brain, liver disease, diabetes, or kidney disease. Make sure your doctor knows if you have thyroid problems, high blood pressure, or other circulation problems. Tell your doctor if you have heart disease or heart rhythm problems. Make sure your doctor knows if you have had an allergic reaction to any medicine in the past.
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 without knowing it while your treated body area is still numb. Be careful to avoid injury until the feeling is back in the area and you are no longer numb.