Miley Cyrus had an Extreme Allergic

Miley Cyrus was rushed to the hospital Tuesday night and, according to her representative, doctors determined she had an extreme allergic reaction to the drug cephalexin.

The singer got an Rx for an antibiotic called cephalexin (brand name Keflex) to treat a sinus infection after getting diagnosed last week in North Carolina.within days Miley's throat swelled to the point she could barely talk.

Miley Cyrus had an Extreme Allergic

The online portal TMZ found out that Miley never got a cephalexin script before so she had no idea she was allergic.

The  doctor says an allergic reaction of this kind of medication can last 27 days.The singer remain hospitalized until her condition improves.Get well Miley!