Vic teen missing for more than a week

A teenage boy from regional Victoria has been missing for more than a week with police concerned for his welfare.

Riley Shanks, 14, was last seen in Traralgon in the state's east on August 17 and family members and police hold concerns because of his age and a medical condition.

The teen is known to frequent the Latrobe Valley area and is described as Caucasian, about 155cm tall with a thin build.