title: What to do when Sinemet fails: Part one.
mesh_terms: D000978:Antiparkinson Agents / Q000008:administration & dosage / Q000009:adverse effects* / Q000627:therapeutic use; D002230:Carbidopa / Q000008:administration & dosage / Q000009:adverse effects* / Q000627:therapeutic use; D003704:Dementia / Q000150:complications; D004334:Drug Administration Schedule; D004338:Drug Combinations / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use; D004409:Dyskinesia, Drug-Induced / Q000209:etiology*; D006801:Humans; D007980:Levodopa / Q000008:administration & dosage / Q000009:adverse effects* / Q000627:therapeutic use; D010300:Parkinson Disease / Q000150:complications / Q000188:drug therapy*; D011605:Psychoses, Substance-Induced / Q000188:drug therapy / Q000209:etiology*
chemical_list: D000978:Antiparkinson Agents; D004338:Drug Combinations; C009265:carbidopa, levodopa drug combination; D007980:Levodopa; D002230:Carbidopa