3815
Several drugs , including clonidine , physostigmine , methysergide , 5 - MDOT , propranolol , and MK - 801 , markedly reduced the dyskinetic movements but at the cost of a return of parkinsonian symptomatology .
 Chemical: clonidine; Chemical: physostigmine; Chemical: methysergide; Chemical: 5 - MDOT; Chemical: propranolol; Chemical: MK - 801; Disease: dyskinetic; Disease: parkinsonian
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: clonidine; Chemical: physostigmine; Chemical: methysergide; Chemical: 5 - MDOT; Chemical: propranolol; Chemical: MK - 801; Disease: dyskinetic; Disease: parkinsonian