A 30 year old male patient who has taking haloperidol for the past 1 month is brought to the emergency department with a temperature of 103.5degF, blood pressure of 176/100 mmHg, rigidity and confusion. Which one of the following seems to be the most likely possibility?
Restless Legs Syndrome Neuroleptic Malignant Syndrome Serotonin Syndrome Malignant Hyperthermia