Which of the following drug is not used in the treatment of akathisia?: (A) Benzodiazepam, (B) Propranolol, (C) Trihexyphenidyl, (D) Haloperidol
Answer is D. Akathisia refers to somatic restlessness which occur in patients treated with first generation antipsychotics. Among the options given haloperidol is an old generation antipsychotic which causes a side effect of akathisia. Drugs commonly used to treat akathisia are propranolol, benzodiazepines and anticholinergics. REF : Oxford text book of psychiatry 3rd Ed.