Amy Winehouse Back At Home After Brief Hospitalization

Singer 'was kept in overnight purely for observation,' spokesperson says.

Amy Winehouse is back at home after spending a night at London's University College Hospital for observation following what her reps said was an adverse reaction to some new medication she took.

She was released from the hospital Tuesday morning (July 29), according to an Associated Press report. "She had a bit of a scare yesterday because of a reaction to treatment. She was kept in overnight purely for observation," a spokesperson said in a statement. "Amy is at home now after leaving with her father and manager. She is having a rest."

Winehouse was rushed to the hospital's emergency room by ambulance Monday night following what the spokesperson said was an adverse reaction to an unspecified medication. It was the second hospitalization this summer for the troubled singer. Winehouse was admitted to a London clinic in June after collapsing at home and her father, Mitch Winehouse, later said she was suffering from the early stages of the deadly lung disease emphysema as a result of smoking cigarettes and crack cocaine.

Mitch Winehouse said the latest setback for the 24-year-old singer was minor. Standing outside the hospital Monday night, he waved a bag of fast food from a neighboring fried chicken restaurant and told reporters, "This is how serious it is," according to the Times Online.

Tabloid reports said the overnight hospitalization followed another wild weekend for the singer, who has reportedly sworn off any live concerts after September in order to concentrate on recording the follow-up to her Grammy-winning Back to Black. The Daily Mail reported that Winehouse was seen punching a metal security blind on a shop during a night out that also included water fights in the street.