Miley Cyrus was hospitalised yesterday after suffering ‘a severe allergic reaction’ to medication.

A spokeswoman for the singer said the 21-year-old had cancelled her Bangerz concert in Kansas City, Missouri after having a severe allergic reaction to antibiotics.

Publicist Meghan Prophet said in a statement that Cyrus is on “medical rest” at her doctors’ advice.

Miley said on Twitter that she was heartbroken to miss the show.

“Kansas I promise Im as [heartbroken] as you are. I wanted so badly 2 b there 2night.  Not being with yall makes me feel s**ttier than I already do,” she said.

The pop star later added that she was being well looked after at the hospital.

“Mr. Octopussy & some amazing Drs are taking good care of me,” she tweeted along with a selfie from the hospital.