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Drooling Severity and Frequency Scale (DSFS)

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Supplemental: PD
Short Description of Instrument

The Drooling Severity and Frequency Scale (DSFS) is a semi-quantitative assessment of the amount of drooling.


The DSFS consists of 2 items that are scored on a scale from 0–5 for a maximum total of 10.

Comments/Special Instructions
Restrictions: N/A
Evatt, M. L., Chaudhuri, K. R., Chou, K. L., Cubo, E., Hinson, V., Kompoliti, K., . . . Goetz, C. G. (2009). Dysautonomia rating scales in Parkinson's disease: sialorrhea, dysphagia, and constipation--critique and recommendations by movement disorders task force on rating scales for Parkinson's disease. Mov Disord, 24(5), 635–646.
Perez Lloret, S., Piran Arce, G., Rossi, M., Caivano Nemet, M. L., Salsamendi, P., & Merello, M. (2007). Validation of a new scale for the evaluation of sialorrhea in patients with Parkinson's disease. Mov Disord, 22(1), 107–111.