The name of four-year-old Cassandra Robertson is on the Missouri Highway Patrol missing juvenile page today.

Authorities say Robertson may need medical treatment. She is reportedly with her mother who allegedly has her own medical and substance abuse issues. The pair may be headed to a western state.

The child is described as 2’ 6” tall, 40 pounds, brown hair, blue eyes and she was last seen wearing a gray zipped shirt with a Hello Kitty logo.

Her mother is 5’ 6”, 145 pounds, brown hair and green eyes. She was wearing a black shirt and blue jeans.

They were driving a silver 2006 Nissan Quest, Missouri tag FG2D5J. If you see them contact police.