Minoxidil (Rogaine)

Danger

Very toxic especially to cats. Even small ingestions cause severe hypotension and heart failure.

Unsafe for Dogs
Unsafe for Cats

Quick Answer: Is Minoxidil (Rogaine) Toxic to Dogs or Cats?

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

Is Minoxidil (Rogaine) toxic to dogs?

Yes. Treat Minoxidil (Rogaine) as an emergency risk for dogs. Call your veterinarian or a pet poison hotline right away after exposure.

Is Minoxidil (Rogaine) toxic to cats?

Yes. Treat Minoxidil (Rogaine) as an emergency risk for cats. Call your veterinarian or a pet poison hotline right away after exposure.

Symptoms to watch for

Lethargy, collapse, hypotension, fluid in lungs, heart failure

What should I do now?

Emergency veterinary care. Cats especially at risk.

Dogs

Emergency risk

Cats

Emergency risk

Risk level

Danger

Symptoms

Lethargy, collapse, hypotension, fluid in lungs, heart failure

What to do now

Emergency veterinary care. Cats especially at risk.

Explore Related Safety Hubs

Use these hub pages for broader dog, cat, cleaner, and emergency planning guidance.

Symptoms to Watch For

Lethargy, collapse, hypotension, fluid in lungs, heart failure

What to Do

Emergency veterinary care. Cats especially at risk.

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 Minoxidil (Rogaine) poisonous to dogs?
Minoxidil (Rogaine) is poisonous or toxic to dogs. Very toxic especially to cats. Even small ingestions cause severe hypotension and heart failure.
Is Minoxidil (Rogaine) toxic to cats?
Minoxidil (Rogaine) is poisonous or toxic to cats. Very toxic especially to cats. Even small ingestions cause severe hypotension and heart failure.
What symptoms can Minoxidil (Rogaine) cause in pets?
Lethargy, collapse, hypotension, fluid in lungs, heart failure
What should I do if my pet ate Minoxidil (Rogaine)?
Emergency veterinary care. Cats especially at risk.
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.