The marks have significance and are a symbol of struggle
Cats and dogs can die it heart worm is left untreated. Call your vet.
Bacterial vaginosis will not cause blood poisoning, even if left untreated.
If you do anything about it, then by definition you aren't leaving it untreated.
If left untreated, a UTI (urinary tract infection) can potentially turn into a more serious kidney infection.
You can die
If hyperglycemia is left untreated, it can lead to ketoacidosis.
Diseases are "degenerative" in natuture and when left untreated, they damage the body. In the extreme even simple diseases left untreated can cause death.
If left untreated it can kill you.
Yes, you can die if left untreated.
If left untreated.
you explode
It can if left untreated