Murrumbidgee Police District is appealing for witnesses after an armed robbery at a Banna Avenue pharmacy.
A man approached the rear entrance of the pharmacy at 6pm on Tuesday as staff prepared to close.
The man produced a firearm before demanding medication from a female employee.
The female employee then went inside followed by the man, to a safe where a number of controlled medicines were stored.
After taking the medications, the man fled on foot along Banna Lane.
No one was injured and police established a crime scene after arriving shortly after the man fled.
Detectives are looking to speak to a man who may be able to assist them.
That man is described as of Caucasian appearance with a muscular build and around 175 centimetres tall.
The man was wearing dark clothes.
Anyone with information is encouraged to contact Crime Stoppers on 1800 333 000, or Griffith police on 6962 4299.