Heart diseases in cats

My cat seems to have breathing difficulty and is lethargic
Urolithiasis

My pet has begun to pee a lot more frequently, but in smaller amounts. Even though she’s house-trained, she still pees in the house and sometimes there is blood in her urine.
Eclampsia in pets

My dog/cat recently had puppies/kittens and is starting to show strange twitches and spasms
Coughing

My pet seems to have a persistent cough. What caused it and what can I do about it?
Is my dog ill?

Common signs of illness in dogs
Is my cat ill?

Common signs of illness in cats
My cat is eating like crazy and not picking up weight

Hyperthyroidism in cats
My cat has suddenly gone lame in her hindquarters and seems to be in a lot of pain

Feline Aortic Thromboembolism
My pet is vomiting

Is vomiting a sign of an upset tummy?
My older German Shepherd Dog seems to be getting weak in its hindquarters

Degenerative Myelopathy