Regarding drugs used in Parkinson s disease

• A. Bromocriptine is the first line drug to treat Parkinson s disease in psychotic patients
• B. 80-90% of a single dose of Levodopa enters the brain unaltered
• C. Patients taking Selesiline to treat Parkinson s disease are limited in what they can eat because of the tyranine reaction phenomenon
• D. Amantadine has anti Parkinsonian effects and is administered at a dose of 100mg bd
• E. Anti muscarinic drugs are of benefit in elimination of bradykinesia in Parkinson s