What to do after ingestion
Vomiting, diarrhoea, poor appetite and lethargy; salt overload shows as intense thirst, frequent urination, an unsteady gait and tremors, while continuing vomiting or pain points to pancreatitis.
**Contact a vet immediately** after salted or smoked herring, or for persistent vomiting, abdominal pain, an unsteady gait or tremors, and never induce vomiting at home or force water.
**Raw herring carries the same parasite and bacterial risks for cats and must always be cooked**; **salted, pickled and smoked herring are extremely salty**, and the oily flesh easily causes diarrhoea and can trigger pancreatitis.
What to do after ingestion
Vomiting, diarrhoea, abdominal pain, poor appetite and lethargy; salt overload shows as intense thirst, frequent urination, an unsteady gait, tremors or seizures, and pancreatitis as repeated vomiting with severe pain.
**Contact a vet immediately** after salted or smoked herring, after a large amount of fish, or for persistent vomiting, abdominal pain, an unsteady gait or tremors; never induce vomiting at home and never force water.
**Raw herring can carry parasites and bacteria, so always cook it through**; **salted, pickled and smoked herring are extremely salty**, and too much salt brings thirst, vomiting and even neurological signs, while this oily fish can trigger pancreatitis.
Nutrition
Per 100 g, edible portionData source:USDA FoodData Central · SR Legacy · Accessed on:2026-09-28
Cat · Safe feeding conditions
CautionNo additional condition notes for this food
Clinical and veterinary sources
**Raw herring carries the same parasite and bacterial risks for cats and must always be cooked**; **salted, pickled and smoked herring are extremely salty**, and the oily flesh easily causes diarrhoea and can trigger pancreatitis.
Vomiting, diarrhoea, poor appetite and lethargy; salt overload shows as intense thirst, frequent urination, an unsteady gait and tremors, while continuing vomiting or pain points to pancreatitis.
**Contact a vet immediately** after salted or smoked herring, or for persistent vomiting, abdominal pain, an unsteady gait or tremors, and never induce vomiting at home or force water.
At most a rare small piece, always thoroughly cooked and carefully deboned; never feed salted, pickled or smoked herring, and fish cannot be the only food long term or the diet becomes unbalanced.
Dog · Safe feeding conditions
CautionNo additional condition notes for this food
Clinical and veterinary sources
**Raw herring can carry parasites and bacteria, so always cook it through**; **salted, pickled and smoked herring are extremely salty**, and too much salt brings thirst, vomiting and even neurological signs, while this oily fish can trigger pancreatitis.
Vomiting, diarrhoea, abdominal pain, poor appetite and lethargy; salt overload shows as intense thirst, frequent urination, an unsteady gait, tremors or seizures, and pancreatitis as repeated vomiting with severe pain.
**Contact a vet immediately** after salted or smoked herring, after a large amount of fish, or for persistent vomiting, abdominal pain, an unsteady gait or tremors; never induce vomiting at home and never force water.
Feed only small pieces, **thoroughly cooked and carefully deboned**, with no seasoning; never feed salted, pickled, smoked or seasoned canned herring; fish alone is not a complete diet, and keep treats within about 10% of daily energy intake.
This website is for reference only and does not replace a licensed veterinarian. If your pet has eaten a suspected toxin or shows symptoms, contact a veterinarian or an emergency animal hospital immediately.
