Also know, is smelling cat urine harmful?
The sharp smell of pet accidents, particularly pet urine, is indeed an irritant to the lungs. Inhalation of even low concentrations (50ppm - OSHA's exposure threshold limit) can cause rapid eye and skin irritation. Inhalation of large or concentrated quantities can cause… Irritation of the eyes or skin.
In this way, why does cat pee smell so bad?
Cats are desert creatures As Dr. Lee explains, cat pee smells so bad because cats have very concentrated urine. Cats originated from the desert and evolved to absorb a large amount of water from their urine to maintain their hydration.
This one also isn't totally poop-related, but it is poop-adjacent. Litter boxes that aren't cleaned regularly enough can contain buildups of urine and feces, resulting in dangerous ammonia fumes. Ammonia, which is a toxic gas, can cause serious breathing issues and other problems.