Sophie Oakes, aged 20, has not been seen or heard from since she left Queen Elizabeth Hospital - between Selly Oak and Harborne - at around 3.30am this morning.
West Midlands Police has issued a missing persons appeal via social media in hopes of finding her.
They posted the following on Twitter today: "Can you help us trace Sophie Oakes (20) who has gone missing in #Birmingham?
"She's partially blind and was last seen leaving Queen Elizabeth Hospital around 3.30am this morning.
"She needs urgent medical treatment. Got info? Call us on 999."