UPDRS - Complications of Therapy: Clinical Fluctuations - Off Periods Sudden

**Semantic type:** Intellectual Product

**Definition:** Unified Parkinson's Disease Rating Scale (UPDRS) Complications of therapy (in the past week); clinical fluctuations, do 'off' periods come on suddenly, within a few seconds?

**Synonyms:** - UPD1-Complications:Fluct Suddenly - UPD1-Complications:Fluct Suddenly - UPD138