%0 Journal Article %T Dysphagia Causes Symptom Fluctuations after Oral L-DOPA Treatment in a Patient with Parkinson Disease %A Hiromasa Sato %A Masako Sato %A Miho Murata %A Toshiyuki Yamamoto %A Yoshihiko Furusawa %J Archive of "Case Reports in Neurology". %D 2018 %R 10.1159/000488138 %X The causes of ˇ°delayed-onˇ± and ˇ°no-onˇ± phenomena in Parkinson disease (PD) are thought to have some impact on the progress of L-DOPA from the time of ingestion until it reaches the brain and is converted to dopamine. Dysphagia can cause fluctuating symptom expression in L-DOPA therapy for PD %K Parkinson disease %K No-on phenomenon %K Gastrointestinal tract %K Pharmacologic actions %K Rehabilitation %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5903165/