This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
Akathisia is treated by all except 
Select and explain. 
A. Trihexyphenidyl, B. Propanolol, C. Haloperidol, D. Promethazine
C: Haloperidol
Answer: C: Haloperidol 
Explanation: Haloperidol can cause extrapyramidal effects (dystonias, akathisia, parkinsonian features) For akathisia and dystonic reactions, many clinicians prefer to use a sedative antihistamine with anticholinergic propeies, which can be given either parenterally or orally. Conventional antiparkinson drugs too can be used. Propranolol. Benzodiazepines are useful. Ref: KD Tripati 8th ed.