Parkinson’s disease is a debilitating illness, primarily causing motor impairment. The non-motor complications of Parkinson’s disease also have a signifi cant impact on patients’ lives. One such complication is sialorrhoea, or drooling. Drs Jason Raw, Sarita Bhat and Nicholas Roberts assess its impact on the patient and review therapies with proven evidence, including some novel therapies that may prove benefi cial.