Pharmacology A patient was treated with haloperidol, later he develops symptoms of Parkinsonism. What is the best treatment: A Cholinesterase inhibitors B Beta receptor antagonist C M1 muscarinic antagonist D Alpha 1 adrenergic antagonist 💡 Explanation A patient was treated with haloperidol, later he develops symptoms of Parkinsonism. What is the best treatment: ✓ Correct Answer: C. M1 muscarinic antagonist