Already eaten — what now?
For dogs and cats
If your pet licked a little plain matsun and seems well, remove the rest and monitor. Contact a veterinarian for vomiting, diarrhoea, pain or lethargy; blood in the stool, sudden weakness or breathing difficulty needs urgent care. Report the ingredients, amount and time eaten.
Variants and ingredients
Plain, with no additionsFor dogs and cats: With restrictions
Fresh matsun made from pasteurised or boiled milk, with no salt, sugar, sweeteners or seasoning.
For dogs and cats
Benefits
Pets eating a complete diet do not need matsun. Do not use it to treat diarrhoea.
Risks
- Dairy components can cause gas, vomiting or diarrhoea.
- Extra calories can make weight control harder.
Already eaten — what now?
If your pet licked a little plain matsun and seems well, remove the rest and monitor. Contact a veterinarian for vomiting, diarrhoea, pain or lethargy; blood in the stool, sudden weakness or breathing difficulty needs urgent care. Report the ingredients, amount and time eaten.
For dogs
Conditions and restrictions
A healthy adult dog that tolerates dairy may occasionally have a very small amount of fresh plain matsun made from pasteurised or boiled milk. Discuss treats with your vet first if there is intolerance, pancreatitis or a prescribed diet.
For cats
Conditions and restrictions
Choose a non-dairy treat for a cat: many cats tolerate lactose poorly. Do not offer matsun daily, after a previous reaction to dairy, or in place of food. It cannot replace a kitten’s mother’s milk or an appropriate milk replacer.
Strained matsunFor dogs and cats: With restrictions
Thick matsun with no additions. Fat content varies by product; fat-free does not mean lactose-free.
For dogs and cats
Benefits
Pets eating a complete diet do not need matsun. Do not use it to treat diarrhoea.
Risks
- Dairy components can cause gas, vomiting or diarrhoea.
- Extra calories can make weight control harder.
Already eaten — what now?
If your pet licked a little plain matsun and seems well, remove the rest and monitor. Contact a veterinarian for vomiting, diarrhoea, pain or lethargy; blood in the stool, sudden weakness or breathing difficulty needs urgent care. Report the ingredients, amount and time eaten.
For dogs
Conditions and restrictions
A healthy adult dog that tolerates dairy may occasionally have a very small amount of fresh plain matsun made from pasteurised or boiled milk. Discuss treats with your vet first if there is intolerance, pancreatitis or a prescribed diet. Check the label for the fat and calorie content of strained matsun; thickness does not mean it is lactose-free.
For cats
Conditions and restrictions
Choose a non-dairy treat for a cat: many cats tolerate lactose poorly. Do not offer matsun daily, after a previous reaction to dairy, or in place of food. It cannot replace a kitten’s mother’s milk or an appropriate milk replacer. Check the label for the fat and calorie content of strained matsun; thickness does not mean it is lactose-free.
With garlic or onionFor dogs and cats: Dangerous · Urgent help needed
A matsun sauce or dish containing garlic, onion or their powders.
For dogs and cats
Conditions and restrictions
Do not feed matsun containing garlic, onion or their powders, including in cooked dishes.
Benefits
Do not offer this sauce to your pet.
Risks
- Garlic and onion damage red blood cells and may cause anaemia. Signs can take several days to appear.
Already eaten — what now?
Call a veterinarian now, even without symptoms. Keep the recipe or packaging and report your pet’s weight, the amount and time eaten. Do not induce vomiting yourself. Weakness, pale gums or laboured breathing requires immediate transport to an open clinic.
Conditions and risks
For dogs and cats
Benefits
Pets eating a complete diet do not need matsun. Do not use it to treat diarrhoea.
Risks
- Dairy components can cause gas, vomiting or diarrhoea.
- Extra calories can make weight control harder.
For dogs
Conditions and restrictions
A healthy adult dog that tolerates dairy may occasionally have a very small amount of fresh plain matsun made from pasteurised or boiled milk. Discuss treats with your vet first if there is intolerance, pancreatitis or a prescribed diet.
For cats
Conditions and restrictions
Choose a non-dairy treat for a cat: many cats tolerate lactose poorly. Do not offer matsun daily, after a previous reaction to dairy, or in place of food. It cannot replace a kitten’s mother’s milk or an appropriate milk replacer.
This card covers plain matsun made from cow’s milk and a starter culture. Fermentation does not make every matsun lactose-free. Our milk card also explains dairy tolerance. Tan, spas and other dishes need assessment of the full recipe; they do not automatically inherit matsun’s yellow rating.
Do not substitute matsun for a prescribed probiotic. Studies of particular bacterial strains in dogs do not establish the same effect for ordinary matsun in dogs or cats.
Sources
- ASPCA Poison Control: People Foods to Avoid Feeding Your Pets
- ASPCA: Cat Nutrition Tips
- WSAVA: Feeding treats to your cat
- WSAVA: Feeding treats to your dog
- AKC: Can Dogs Eat Yogurt?
- Gómez-Gallego et al., 2016: A canine-specific probiotic product in treating acute or intermittent diarrhea in dogs
- Pet Poison Helpline: Garlic
- MSD Veterinary Manual: Garlic and Onion (Allium spp) Toxicosis in Animals
- FDA: Paws Off Xylitol; It’s Dangerous for Dogs
- FDA: Ways to Reduce Risk of HPAI in Cats
- UC Davis: Guide to Pet Emergencies
- Tamara: Strained matsun 0% (ingredients only)


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