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Drooling Severity and Frequency Scale (DSFS)

Please visit this website for more information about the instrument: Drooling?Severity?and?Frequency?Scale

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.


Document last updated February 2018