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. Parkinson's disease is a brain disorder that occurs when neurons in the area of the brain called the substantia nigra begin to die. This interferes with the production of the chemical dopamine, which aids in muscle movement.Symptoms begin to appear when about 80 percent of the dopamine-producing cells are damaged.he main symptoms of Parkinson's include tremors, slow movements, stiffness and balance problems. While Parkinson's is not curable, there are medications that mimic dopamine and help with slowness, tremors and stiffness.