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
A schizophrenic patient staed on haloperidol 2 days back, comes with complaints of toicollis and Orofaciolingual movements. What is the diagnosis? 
Select and explain. 
A. Acute dystonia, B. Tardive dyskinesia, C. Parkinsonism, D. Akathisia
A: Acute dystonia
Answer: A: Acute dystonia 
Explanation: Facial grimacing , tics, muscle spasm , protruding tongue and similar involuntary movements can occur in first few days of staing anti psychotics . Parkinsonism maybe noticed in the first few weeks . Tardive dyskinesia develops after years of therapy. Ref KD Tripati 8th ed.