Hypersalivation or excessive secretion of saliva is a symptom which can be very distressing for a person, and more so in a patient suffering from Parkinson’s disease, who already has to cope with so many other problems caused by the disease. Hypersalivation, leading to drooling, can be a manifestation of the condition or it can be due to drug therapy in Parkinson’s disease. There are various other causes for excessive salivation which may be superimposed in a person already suffering from Parkinson’s disease.

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