Hello, My neurologist recommended that I ask my dentist to not use ephinephrine, which can temporarily increase PD symptoms. Epinephrine is present in many dental anesthetics. Phil Tompkins Amherst MA age 63/dx 1990 On 7 Jan 2001, at 18:51, Nancy Van Hook wrote: > Last Saturday I had a root canal (I was hoping to get thru life without one, > but not to be!) The Novocain did not wear off for almost six hours, and then > the pd meds didn't seem to do their job. I have to go back on Wednesday to > finish the job. Perhaps we could use a little less Novocain this time . . . > however, I do not like pain. Any suggestions or advice will be appreciated.