Cardiomyopathy and heart failure usually lead to death in untreated patients before one year of age.
Babies with untreated diabetes insipidus cannot say when they are thirsty, which means they can have a severe shortage of water.
If the patient is untreated by the time symptoms appear, the disease is nearly always fatal.
It was unclean water, untreated sewage and uncollected rubbish.
It is likely that many of these individuals have undiagnosed and untreated medical problems.
About half of all children who develop asthma will grow out of it, but left untreated asthma can cause permanent scarring of the airways.
Little is known about the long-term prognosis of patients with untreated bulimia.
Since then the sewage of more than half a million inhabitants has flowed untreated into the river.
If the infection is left untreated it may lead to pelvic pain, pain on intercourse or, occasionally, bleeding between periods.
For example, to show efficacy we could say that we must have untreated patients.