The antibiotic widely referred to by the popular brand name Bactrim is prescribed to an estimated 3 million people in the US each year. For most, it's a helpful and important drug, but in rare cases, some patients have had serious and even fatal reactions to it.

A high school athlete got desperately sick and needed life support. Years later, she helped discover the cause of her rare illness.

A documentary from Children’s Mercy Kansas City about the story of Zei Uwadia and her long battle with ECMO.

For the past 467 days, Zei Uwadia has been hospitalized on life support – but that hasn’t kept the quiet-natured teenager from walking.