Some are available by prescription only; others can be bought over-the-counter. FDA has also approved several prescription drugs to relieve dry mouth caused by certain medical treatments or conditions, such as Sjoegren'sjÃ¶gren s syndrome and radiation for head or neck. cancer
Parkinson's disease (or, simply, Parkinson's or PD) is the most common form of parkinsonism, a group of motor system disorders. It is a slowly progressing, degenerative disease that is usually associated with the following symptoms, all of which result from the loss of dopamine-producing brain cells: Tremor or trembling of the arms, jaw, legs, and face.
Parkinson's disease is a degenerative disorder of the central nervous system. This disease belongs to a group of conditions called motor system disorders and is the result of the loss of dopamine-producing brain cells.arkinsonâs disease is a movement disorder characterized primarily by tremor at rest, stiffness and slowness of movements. The disease and its symptoms are due to degeneration of a very specific part of the brain called the substantia nigra, resulting in loss of dopamine in the brain.