My husband also has Parkinsonian like movements. His balance is off & he has uncontrolled episodes of shaking brought on by things that he thinks are going to hurt him. Like when I use a wash cloth on his body, or touch him unexpectedly. He doesn't shake of no one is touching him. If he knows I am going to touch him he does not shake, but any unpleasant touching like shaving or washing will bring on an episode of shaking all over. He stops shaking when I stop what I am doing. Weird, but true. As an RN, I believe this is caused by nerve damage caused by the Alz/dementia to a part of the brain called the cerebellum. The cerebellum is a part of the brain stem. Damage to the cerebellum, can lead to a lack of balance, slower movements, and shaking. Google 'Cerebellum Function' for more information. The cerebellum regulates motor movements so I believe this is why my husband has uncontrolled involuntary movements (shaking) also called tremors. The neurons in the brain are overstimulated at times & the result is uncontrolled movements. Some days he barely shakes at all during cares, & others he shakes all the while we are shaving & washing up. Its so hard to watch. I hope this helps. I don't know if I am right, as I have not asked his neurologist or primary MD yet, but its my explanation. Some people feel better if they know why something is happening. It doesn't change the way we care for them, but having an explanation helps us cope. Ask your moms Dr. if it could be an explanation. Nothing anyone can do about it, but it might set your mind at rest to know what it is.

my husband is on an anti depessant called cymbalta and since starting this he has involuntary jerking movements nearly all night long. it is like a rippling of different muscle groups at different times. It makes sleeping in the same bed difficult for me, but he seems to be unaware of the jerking and it doesnt seem to disturb his sleep.He i always refreshed in the morning

Hi everybody. Thank you for all the response. Carol she is on Respidal, Cilift and I give her Vit B Com plus Procydin. Susan and Jank, no she doesn't have the Parkinson jerking, shaking movements. Hers is a spasmodic jerk as if she is falling. Lovies to all

Thank you for the explanation. The brain is such a complex and mysterious organs. At times I think not even the neurologists know the whole story.

must be so hard for you. As for the involuntary muscle movements, could be many different things, from medications, to neural degeneration or delirium. Follow up with your physician