English Bulldog Breath Smells Like Fish. A sweet-rotten smell could indicate diabetes and breath smelling like urine is consistent with kidney disease. Kidney and liver failure can cause bad breath with a fishy smell.

When your Frenchie then licks himself clean he will transfer that fishy smell into his mouth. However this also leads to a life of respiratory problems. From smelling fishy your dogs breath will soon have a rotten scent that other dog owners describe as smelling like death.
832020 The main cause of the statement my dogs breath smells like fish is because the dog eats something fishy.
Kidney and liver failure can cause bad breath with a fishy smell. Due to the liver not being able to properly clean out toxins. Kidney and liver failure can cause bad breath with a fishy smell. Why does my English Bulldog smells like fish.