Miley 's weekend shows in Amsterdam and Antwerp are rescheduled in June . `` After a period of improvement , Cyrus ' symptoms have returned , '' rep says . `` After a period of improvement , Cyrus ' symptoms have returned and doctors will not permit her to travel , '' her representative told CNN Wednesday . `` This type of extreme reaction can last up to 27 days and Cyrus must remain under doctors ' care at this time . '' Cyrus still hopes to perform her `` Bangerz '' show at London 's O2 Arena May 6 . Comment:
Miley 's weekend shows in Amsterdam and Antwerp are rescheduled in June . `` After a period of improvement , Cyrus ' symptoms have returned , '' rep says . Cyrus still hopes to perform her `` Bangerz '' show at London 's O2 Arena May 6 . Comment: