A 28-year-old patient presenting with hallucinations and delusional thinking is suspected of having schizophrenia. The patient's vital signs include a high fever, increased heart rate, and muscle rigidity. What is the BEST initial course of action?
Adjust the dosage of the current antipsychotic medications
Initiate hydrotherapy for symptom relief
Discontinue any potential offending antipsychotic agent and provide supportive treatment for NMS
Start the patient on a new antipsychotic medication regimen