Important: a general reference only. Confirm exact dosing with your veterinarian before administering anything.
Updated · How we check our tools
What is the Mouse Toxic Food Checker?
The Mouse Toxic Food Checker looks up whether a specific food or plant is safe or toxic for mice. Many common household foods and products that are harmless to people are toxic to pets, and knowing the warning signs can make the difference in an emergency.
Mice generally live 1.5-3 years when they are well looked after. They are an omnivore, so their nutritional needs shift with age, size and activity. Mice need a secure tank or narrow-bar cage with deep bedding for burrowing and plenty of climbing height. Females live well in groups; males usually must be housed alone to avoid fighting. The usual suspects for this species are respiratory infection from dusty or cedar bedding, tumours, overgrown teeth, so any noticeable change is worth following up.
Mouse quick facts
| Measure | Mouse |
|---|---|
| Typical lifespan | 1.5–3 years |
| Adult weight | 0.7–1.6 oz (20–45 g) |
| Diet | Omnivore |
| Mature at | About 2 months |
| Pregnancy | 19–21 days |
| Litter size | 5–12 |
| Humidity | 40–60% |
How does the Mouse Toxic Food Checker work?
The check is based on commonly documented toxic substances and warning signs for mice, referenced against veterinary and poison-control sources. The math is only as good as what you feed it, so an accurate, recent input matters more than the formula itself.
Factors that matter
- The specific substance or food involved, and how much was consumed or encountered
- Your mouse's size, smaller animals are affected by smaller amounts
- How quickly symptoms appear: which varies by substance
- Any existing health conditions that could increase risk
How do you use the Mouse Toxic Food Checker?
- Enter the food, plant or substance
- Answer "How much was eaten?"
- Answer "How long ago?"
- Answer "Any symptoms yet?"
- Press Calculate, then read the result alongside the sources listed below
If two people care for your mouse, agree on one method and stick to it. Half of all confusing results come from measuring differently each time.
For related questions, see the other safety tools or browse every mouse tool.
Before you rely on this
Averages hide a lot of variation. The figure here reflects what is typical for mice, but your mouse may sit well outside it for perfectly ordinary reasons. Use the result to spot changes over time in your own animal rather than to compare it against other people's pets.
Sources and references
The formulas, reference ranges and species data behind the Mouse Toxic Food Checker come from these veterinary references, professional bodies and published research.
- Merck Veterinary ManualRodentsmerckvetmanual.com(opens in a new tab)
- ASPCA Animal Poison ControlPeople Foods to Avoidaspca.org(opens in a new tab)
- petpoisonhelpline.comPet Poison Helplinepetpoisonhelpline.com(opens in a new tab)
- pdsa.org.ukPDSA Pet Health Hubpdsa.org.uk(opens in a new tab)
- RSPCAAdvice and Welfarerspca.org.uk(opens in a new tab)
- Built on veterinary referencesFormulas and ranges come from veterinary manuals, university research and welfare bodies, listed above for you to check.
- Instant resultsNo page reload, no waiting and no account. Enter your details and the result appears straight away.
- Private by designCalculations run in your browser. Nothing you enter is stored on our servers or shared with anyone.
- Always freeEvery XpertsPet tool is free to use, with no premium tier and nothing to sign up for.