Dog Onion Toxicity Calculator
Assess the risk of onion poisoning in your dog
Emergency: If your dog has consumed onions and is showing symptoms, contact your veterinarian or emergency animal hospital immediately. This calculator is for informational purposes only.
Toxicity Assessment
Toxicity Level
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Onion Dose (mg/kg)
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Risk Assessment
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Recommended Action
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Toxicity Level Indicator
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Onion Toxicity by Type
| Onion Type | Toxicity Level | Notes | Dangerous Amount |
|---|---|---|---|
| Raw Onion | High | Most toxic form | 0.5% of body weight |
| Cooked Onion | Moderate-High | Still toxic when cooked | 1% of body weight |
| Onion Powder | Very High | Concentrated form | 0.1% of body weight |
| Onion Soup/Mix | Moderate | Diluted but still harmful | 2% of body weight |
| Dehydrated Onion | High | Concentrated form | 0.3% of body weight |
| Onion Extract | Extreme | Highly concentrated | 0.05% of body weight |
Emergency Information
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Prevention Tips
- Secure Storage: Keep onions and onion-containing foods out of reach
- Garbage Safety: Ensure trash cans are secure and onion scraps are disposed of safely
- Food Preparation: Be careful when preparing food - dogs can grab scraps
- Pet-Safe Alternatives: Use pet-safe seasonings and avoid onion powder in homemade treats
- Education: Teach family members about onion toxicity in dogs
- Veterinary Contact: Keep your veterinarian's number readily available
- Pet Insurance: Consider pet insurance for emergency situations
Important Notes:
- Onions contain compounds that damage red blood cells in dogs
- Toxicity can occur from a single large dose or repeated small doses
- Symptoms may not appear for 1-5 days after consumption
- All forms of onion are toxic to dogs (raw, cooked, powdered, etc.)
- Japanese breeds (Akita, Shiba Inu) are more sensitive to onion toxicity
- Onion toxicity can cause life-threatening anemia
- Always consult a veterinarian if onion consumption is suspected
- This calculator provides estimates only - veterinary assessment is required