A Westchester dentist was found dead inside a running car in the Bronx, hooked up to an IV tube carrying the same powerful sedative Michael Jackson used before his death, police said Friday.

Dr. Jeremy Wertman, 38, of Scarsdale was sitting in the car at a parking garage at 2690 E. 188th St. in Fordham Heights about 8 a.m. Tuesday.

The IV tube in his foot was connected to a bag filled with propofol, which is administered for sedation during general anesthesia, police said.

The drug, dubbed “milk of amnesia,” can be highly addictive. Its side effects include seizures and stopped breathing.

The cause of Wertman’s death was not immediately available.

Wertman, who was a member of the Bronx County Dental Society, was formerly affiliated with Montefiore Medical Center.

“We are deeply saddened by the passing of Dr. Wertman, who was a resident in the Department of Dentistry at Montefiore until June 2017,” the hospital told The Post in a statement.

“We send our condolences to his family and friends at this difficult time.”