She was stung by jellyfish on her lips, forehead, hands, and neck.

CNN: August 20, 2012 -- Updated 1157 GMT (1957 HKT)

Another 18% were admitted for food allergies, with the remaining 17% admitted for angio-oedema - deep swelling underneath the skin, often around the eyes and lips, and sometimes on hands and feet.

BBC: NEWS | Health | Severe allergies 'rising sharply'

Dr. James Norlund, a dermatologist, never treated Jackson, but said the singer's use of the gloves and lipstick was consistent with the patterns of vitiligo, since the spots frequently first appear on the hands and face, including the lips.

CNN: Actress: Michael Jackson's glove was to hide skin problem