Police have appealed for information from the community to locate a man who disappeared from a medical facility at Morisset last week.
Jackson Melrose is 25-years-old and requires medication regularly for his condition.
Police have been told that Mr Melrose was last seen at Morisset Railway Station about 5pm on Wednesday 9 January 2019.
Jackson is described as being of Caucasian appearance with a fair complexion and short dark hair.
He is about 170cm to 175cm tall with a goatee beard and brown eyes.
When last seen he was wearing, shorts, t-shirt and thongs.
It is believed that Jackson will not have access to money or a mobile phone.
He is known to frequent the Wakefield and Edgeworth areas.
Police from Lake Macquarie Police District are urging anyone who sights Mr Melrose not to approach him, but to contact officers immediately on Triple Zero (000).