Too much calcium in the blood can cause weakness, lead to kidney stones, and interfere with the heart and brain, and
even be life threatening.
When a male cat blocks up from crystals it is VERY expensive to treat and can
be life threatening so it is ideal to not take chances.
This can be quite serious, though not life threatening condition, and it can lead to chronic depression, which is extremely undesirable and which in certain cases can
indeed be life threatening.
In severe cases, a dog's fearful reactions can
literally be life threatening as some dogs will engage in extreme measures attempting to get away from what to them are terrifying sounds.
The higher degree of the burn the more serious it is, however, any burn which affects a large area of the
body is life threatening.
The disease can indicate a chronic underlying problem and can
be life threatening in cases where there is a sudden case of chronic bleeding.
Most instances respond well to treatment, but some instances, if left untreated, can
be life threatening for your cat.
These are a major problem for all dogs and
is life threatening when live worms are in the heart, blood vessels and lungs.
Similarly hypothyroidism when left untreated for long can gradually cause multiple complications which sometimes could
also be life threatening.
A dog with worms should always be evaluated by a veterinarian, as most
are life threatening if left to multiply and grow into large numbers.
If your dog is breathing fast after being hit by a car or fight with another dog it more than likely, could be suffering from shock which can
potentially be life threatening.
Severe muscle fatigue
is a life threatening problem for millions of patients suffering from chronic diseases including heart failure, cancer, kidney failure, AIDS, as well as rarer genetic abnormalities including muscular dystrophies.
If your cat reaches 5 + years without being spayed, they are also more prone to pyometra which
is a life threatening infection of the uterus, and ovarian and uterine cancer, all of which can be 100 % prevented with spaying.