Generally, that is a sign of rabies...has he/she had rabies shots?
Why Do Cats Foam At The Mouth?
Could be rabies but thats unlikely they rarely do get it!
The early signs of rabies in cat include-
Roaring loudly and biting all the objects inside home.
Violent movements including dashing anything on the way resulting in self inflicting injuries.
Conjunctivitis and partial protrusion of tongue.
Incordinated movements due to leg weakness.
Unable to move even after prodding and was swaying the hind quarters
Or it could be poisoned-
mouth irritation; drooling; vomiting; diarrhea; hallucinations; seizures; coma; and death
Which ever its bad and it needs to go to the vet AS SOON AS POSSIBLE!!
The early signs of rabies in cat include-
Roaring loudly and biting all the objects inside home.
Violent movements including dashing anything on the way resulting in self inflicting injuries.
Conjunctivitis and partial protrusion of tongue.
Incordinated movements due to leg weakness.
Unable to move even after prodding and was swaying the hind quarters
Or it could be poisoned-
mouth irritation; drooling; vomiting; diarrhea; hallucinations; seizures; coma; and death
Which ever its bad and it needs to go to the vet AS SOON AS POSSIBLE!!