Police are appealing for public help to help locate missing Tallarook woman Fiona Byne.
The 46-year-old made contact with emergency services at 8.30pm yesterday.
Police have concerns for her welfare due a medical condition.
Police believe Fiona may be in the Sugarloaf Creek area.
Anyone who sees Fiona or has information about her whereabouts is urged to contact Seymour police on 5735 0200.