Your Dad should let his neurologist know about
this.Could it be a jaw tremor?If that is the case a med change such as type or dosage may be in order.Another possibility is anxiety. I also have an occasional incidence of cheek and tongue biting caused by tremorof the jaw.wish you,and your Dad the best.Ed
Ed-Moderator Parkinson's disease forum.
Diagnosed with Parkinson's Disease in 1998.As long as I can fish life is good.Keep a great attitude.It benefits all.Meds:Stalevo,Mirapex
support Healing Well thru the sponsors and with donations.The light is always on stay well,and listen to your neurologist.