Bleach
DangerousHousehold bleach is highly corrosive and toxic to dogs.
Toxicity Level
9/10Why It's Dangerous
Can cause severe burns to mouth, throat, and stomach. Diluted bleach on floors is less dangerous once dry.
The Science
Sodium hypochloriteHousehold bleach contains 3-8% sodium hypochlorite, which is a strong oxidizing agent. When ingested, it causes chemical burns to the mouth, esophagus, and stomach mucosa. The severity depends on concentration and amount. Chlorine gas released from bleach can also irritate the respiratory tract if inhaled in enclosed spaces. Diluted bleach used for floor cleaning is much less dangerous once dry, as the active compound breaks down quickly in air.
Sources
- •ASPCA Animal Poison Control Center
- •Clinical Veterinary Toxicology
- •Merck Veterinary Manual
Dosage & Thresholds
Household bleach (3-6%) causes mild to moderate burns at small ingestion volumes. Industrial bleach (10-12%) is far more dangerous. If your dog licks a floor recently cleaned with diluted bleach, it is unlikely to cause serious harm — rinse the mouth with water. Ingestion of undiluted bleach requires immediate veterinary attention. Keep all cleaning products in locked cabinets.
Symptoms to Watch For
If your dog has ingested bleach
Contact your veterinarian or an emergency animal poison hotline immediately. Do not induce vomiting unless instructed by a vet.
callFind Emergency Vet