Have Cat Questions? Ask a Cat Vet Online.
How old is your cat?
Is he able to use his rear legs?
Any increase in breathing? Panting?
What color are his gums?
Are his pads on the rear feet cold?
Does he seem painful?
Any increase in thirst or urination?
Any history or diagnosis of a heart murmur?
I applied Frontline plus on my mail 10 year old cat