A 30 year old manic patient was prescribed haloperidol one week back. For the last two days, he has become restless and kept pacing in the room for a day. On examination, he was found to have tremors of hand. He is most likely suffering from -
Restlessness and pacing in room within 1 week of antipsychotic (haloperidol) therapy suggest the diagnosis of Akathisia.
Anhedonia
Dystonia
Restless leg syndrome
Akathisia