'As the day goes on, breathing gets a bit faster and just progresses.
Dr Ray Pitetti, of the University of Pittsburgh Medical Center, said keeping an eye out on children is essential.
Secondary drowning is different than dry drowning because water actually reaches the lungs.
Dr Pitetti said this condition happens when water is breathed in and makes its way to the lungs.
All of these indicate that the brain and body is not getting enough oxygen and the person should receive medical care. She added: 'When she came in, she told us it's what's called dry drowning. There was nothing else they could do for him.' Gio Vega (left), age two, nearly died after swallowing a small amount of water during a swim at a community pool in Colorado.
Francisco Delgado III, known as Baby Frankie to his parents, was swimming with his family at the Texas City dike. and Tara said the boy started to complain of stomach pains shortly after getting out of the water, but they figured he just has a regular bug. His father Garon Vega (right) heard Frankie's story and took him to the doctor Staff Sgt.
Dry drowning normally happens to children because their bodies are so small (file image)Dry drowning isn't limited to swimming pools and it can happen in any body of water, including the bathtub.