Drain Cleaner

Danger

Contains sodium hydroxide (lye) or sulfuric acid - extremely caustic. Deep tissue burns.

Unsafe for Dogs
Unsafe for Cats

Quick Answer: Is Drain Cleaner Toxic to Dogs or Cats?

Use this short answer first, then read symptoms and what to do next.

Is Drain Cleaner toxic to dogs?

Yes. Treat Drain Cleaner as an emergency risk for dogs. Call your veterinarian or a pet poison hotline right away after exposure.

Is Drain Cleaner toxic to cats?

Yes. Treat Drain Cleaner as an emergency risk for cats. Call your veterinarian or a pet poison hotline right away after exposure.

Symptoms to watch for

Severe oral/esophageal burns, drooling, bloody vomiting, tissue necrosis

What should I do now?

EMERGENCY. Do NOT induce vomiting. Rinse mouth. Rush to vet.

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.

Explore Related Safety Hubs

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Symptoms to Watch For

Severe oral/esophageal burns, drooling, bloody vomiting, tissue necrosis

What to Do

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.

Free printable resource

Pet Poisoning Emergency Checklist

A one-page checklist for symptoms, product labels, emergency contacts, and what to bring to the clinic.

Quick Answers

Is Drain Cleaner poisonous to dogs?
Drain Cleaner is poisonous or toxic to dogs. Contains sodium hydroxide (lye) or sulfuric acid - extremely caustic. Deep tissue burns.
Is Drain Cleaner toxic to cats?
Drain Cleaner is poisonous or toxic to cats. Contains sodium hydroxide (lye) or sulfuric acid - extremely caustic. Deep tissue burns.
What symptoms can Drain Cleaner cause in pets?
Severe oral/esophageal burns, drooling, bloody vomiting, tissue necrosis
What should I do if my pet ate Drain Cleaner?
EMERGENCY. Do NOT induce vomiting. Rinse mouth. Rush to vet.
Disclaimer: This information is for educational purposes only and is not a substitute for professional veterinary advice. If you suspect your pet has ingested something toxic, contact your veterinarian or the ASPCA Animal Poison Control Center (888-426-4435) immediately.