Contains sodium hydroxide (lye) or sulfuric acid - extremely caustic. Deep tissue burns.
Dogs
Emergency risk
Cats
Emergency risk
Risk level
Danger
Symptoms
Severe oral/esophageal burns, drooling, bloody vomiting, tissue necrosis
What to do now
EMERGENCY. Do NOT induce vomiting. Rinse mouth. Rush to vet.
Use these hub pages for broader dog, cat, cleaner, and emergency planning guidance.
Compare Drain Cleaner with common dog food, plant, medication, and household toxicity risks.
Open hubCat poisoningSee cat-specific guidance for Drain Cleaner, plants, cleaners, foods, and medication risks.
Open hubCleaner safetyCheck safer cleaning routines, floor residue risks, and cat-safe disinfectant guidance.
Open hubEmergency planningPlan for emergency exams, toxin ingestion care, hospitalization, and insurance decisions.
Open hubSevere oral/esophageal burns, drooling, bloody vomiting, tissue necrosis
EMERGENCY. Do NOT induce vomiting. Rinse mouth. Rush to vet.
Plan ahead for emergency vet bills
Poisoning, broken bones, and emergency surgery can get expensive quickly. Compare costs and accident coverage before you need it.
A one-page checklist for symptoms, product labels, emergency contacts, and what to bring to the clinic.
Extremely toxic. Sweet taste attracts. Teaspoon fatal to cat.
Internal bleeding or neurological symptoms.
Chemical burns and respiratory issues.
Naphthalene or paradichlorobenzene. Both highly toxic.
Pods especially dangerous. Concentrated chemicals.
Nitrogen, phosphorus, potassium causing GI upset.