Orphenadrine hydrochloride is an anticholinergic, for the treatment of all forms of Parkinsonism, including drug induced (neuroleptic syndrome).
For this indication, competent medicine agencies globally authorize below treatments:
For: Adults (18-64) Elders (65+)
Oral, between 150 and 400 milligrams, divided daily, 3 to 8 doses in total.
Initially, 150mg daily in divided doses, increasing by 50mg every two or three days until maximum benefit is obtained. Optimal dosage is usually 250mg to 300mg daily in divided doses in idiopathic and post-encephalitic Parkinsonism; 100mg to 150mg daily in divided doses in arteriosclerotic parkinsonism; and 150mg to 300mg daily in divided doses in the neuroleptic syndrome.
Maximal dosage is 400mg daily in divided doses. The elderly may be more susceptible to side effects at doses which are clinically optimal.