Patrick Schiflett is missing from Waco, Texas.
He was last seen on Sunday.
Concerns are high as he is without his daily medication.
Patrick is described as five foot ten, one hundred and eighty-five pounds, with brown hair, and green eyes.
His vehicle is a white 1995 four door Buick Century with Texas license BJ5H285.
Anyone with information should call the Waco Police Department at 254-750-7500.