My Evil Twin is Driving Me Crazy - S7.E6

A four-year-old Pennsylvania boy gets a runny nose with red discharge, stomach pains, pale skin and extreme pain from accidentally putting a button battery up his nose; an Idaho college student gets a cut on her knee, but then develops agonizing leg pain followed by septic shock from an Aeromonas hydrophila infection; a Pennsylvania woman has strange outbursts and appears to lose her mind from a teratoma growing on her ovary giving her Anti-NMDA receptor encephalitis.