The remaining St. Louis dates on Cyrus ' `` ` the European leg of the tour will proceed as planned '' tour are called off -- for now . The American leg of her tour , set to start this week , is still on , her camp says . In a statement , her camp explained that Cyrus got a sinus infection while in North Carolina , then `` was prescribed the antibiotic Cephalexin , which she has now suffered an extreme allergic reaction to . '' Miley has been hospitalized because of an allergic reaction to an antibiotic . `` Sick of waking up to needles , '' the 21-year-old singer tweets .
The remaining St. Louis dates on Cyrus ' `` ` the European leg of the tour will proceed as planned '' tour are called off -- for now . The American leg of her tour , set to start this week , is still on , her camp says . Miley has been hospitalized because of an allergic reaction to an antibiotic . `` Sick of waking up to needles , '' the 21-year-old singer tweets .