- Wearing off: a sudden, brief inability to start movement or to continue repeated movements?
- Protein related offs: transport of levodopa across the intestinal wall is decreased because of competition for facilitated transport by large amounts of neutral amino acids?
- Delayed on: a prolongation of the time required for levodopa effect to appear?
- Peak-dose dyskinesias: occurs at the time of peak levodopa plasma concentrations?
- Freezing: reemergence of parkinsonian symptoms before the next scheduled levodopa dose?
- Diphasic dyskinesia: a dyskinesia in which involuntary movements occur during both peak and trough levodopa concentrations?
Open Source Multiple Choice Questions in Neurology. With answers. Most of them.