My cat has foamed at the mouth for three days but eats normally; the vet said to keep observing.

📅 👁 5645 views 💬 5 replies Urinary System
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Expert Answer

Foaming can have many causes—diet issues, kidney damage, parasites, acute gastritis. Since appetite is good with no other symptoms, diet is the likely cause, perhaps indigestible food or protein intolerance.

Try changing the diet; if foaming continues, consider disease and seek treatment promptly.

👤 Pet Owner Experience

My cat foamed at the mouth briefly and it was a hairball, but three days of foaming even with normal eating needs a real look, because diet, kidney, parasites, or gastritis could be behind it. The vet's "keep observing" is fine only if it stops; if it continues, push for diagnostics. If he adds any other symptom, appetite loss, lethargy, get in sooner. Foaming isn't normal long-term, so don't let it become the background state.

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