Treatment of Dystonias For generalized dystonia, anticholinergic drugs, muscle relaxants, or both For focal or segmental dystonia, botulinum toxin injections to paralyze muscles Sometimes a neurosurgical procedure For generalized dystonia, an anticholinergic drug (trihexyphenidyl 2 to 10 mg orally 3 times a day, benztropine 3 to 15 mg orally once a day) is most commonly used; the dose is slowly titrated to target.