Skip to Main Content
  • Comprehensive Emergency Services

    Emergency Veterinarians You Can Trust

    At Animal Emergency Clinic's two locations in St. Louis, our teams of experienced veterinarians are dedicated to providing the best treatment possible to pets in need of emergency and surgical care.

    About Our Hospital

  • After Hours Emergency Pet Care

    Dedicated 24/7 Emergency Services

    Our teams of experienced veterinarians are prepared to provide after-hours emergency care when your pet needs it most.

    Emergency Care

  • Veterinary Surgeries for Your Pet

    Providing Experienced Surgical Care

    We offer a range of surgeries at Animal Emergency Clinic's O'Fallon location, from soft tissue to orthopedic and ocular procedures.

    Our Surgeries

Emergency Care

Our trained veterinarians provide 24/7 emergency and urgent care.

Learn More

Veterinary Surgeries

We treat conditions and illnesses with a range of surgeries for cats and dogs.

Learn More


We use diagnostic tools and tests in our in-house labs.

Learn More

Pet Loss & Grief Support

Take advantage of pet loss and grief support resources in your community.

Learn More

Putting Your Pet's Health First

Welcome to Our St. Louis Animal Hospital

At Animal Emergency Clinic, we offer quality veterinary care to cats and dogs in emergency situations on evenings, weekends and holidays.

We are proud to be one of the most experienced emergency pet clinics in St. Louis, serving Kirkwood, Crestwood, O'Fallon, North and West St. Louis County, St. Charles County, Lincoln County and more for nearly 40 years. 

If your pet requires emergency veterinary care outside your regular vet's business hours, please contact us. We will be happy to examine, diagnose and treat your furry companion.

About Our Hospital

2 Locations Serving St. Louis 

We provide comprehensive emergency, surgical and specialist veterinary services for pets at our two locations: Animal Emergency Clinic in Kirkwood and our clinic in O'Fallon.


Caring for Your Pets

Quality, Integrity, Compassion & Service

Animal Emergency Clinic is a St. Louis animal hospital that offers comprehensive emergency, surgical, and specialist veterinary services for pets in St. Louis. From emergency care to surgical procedures, we're here to help.

St. Louis animal hospital
  • Wow! The staff is so friendly and we were in and out very quickly. They showed so much compassion for our pup in need. Would highly recommend and will be going here for emergency care any time in the future.
    - Alyssa S.

Expertise You Can Rely On

Tips & Advice From Our St. Louis Vets

Our St. Louis vets offer valuable tips and insights to help you keep your pets healthy, whether you're seeking advice about parasite protection or information on common pet illnesses. 

Heavy Breathing in Cats

Heavy Breathing in Cats

One behavior that we often witness in dogs that isn't common in cats is panting. If your cat begins panting then it may be caused by an underlying condition that will need to be addressed. Our St. Louis vets talk about some common causes for heavy breathing in cats and when you should seek out veterinary care.

Read more

Pet Eye Injury: When to Seek Veterinary Care?

Pet Eye Injury: When to Seek Veterinary Care?

Injuries are common with pets, just as with all other types of injuries, your pet could experience an eye injury. Here, our St. Louis vets discuss what the signs of an eye injury are and how your pet will be treated.

Read more

Dog Dry Heaving

Dog Dry Heaving

Has your dog suddenly started dry heaving? Today, our St. Louis veterinary team explains why your dog may be dry heaving and what you can do about it.

Read more

Contact Us Today

Address & Hours

Animal Emergency Clinic proudly serves patients in St. Louis and beyond.

Animal Emergency Clinic

334 Fort Zumwalt Square, O’Fallon, MO 63366 US


The St. Louis Animal Emergency Clinic

9937 Big Bend Road, Kirkwood, MO 63122 US


Book Appointment

Compassionate Emergency Care for Pets

Animal Emergency Clinic is an after-hours emergency animal hospital providing urgent care to cats and dogs from St. Louis and surrounding areas. Contact us right away if you are experiencing a veterinary emergency.

Contact Us