Recently, the Movement Disorder Task Force also recognized three stages in early PD.
Learn about more Parkinson’s symptoms:
1.Preclinical Phase:
The degeneration of the dopamine producing neurons has already begun but no clinical symptom is evident yet.
2.Prodromal Phase:
Some symptoms are present, but they are insufficient for the clinician to make a diagnosis of PD.
3.Clinical Phase:
Parkinsonian symptoms have manifested and are clearly recognizable.
