[Verified Answer]: A client is newly diagnosed with…

A client is newly diagnosed with parkinsonism and has been prescribed levodopa. After several weeks, no appreciable reduction in symptoms has been noted. The nurse should anticipate what change in the clients medication regimen? temporary change in levodopa route from oral to intravenous adding carbidopa to the clients medication regimen addition of vitamin B6 to the clients medication regimen substitution of diphenhydramine for levodopa