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  • 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.

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Veterinary Surgeries

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

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

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Pet Loss & Grief Support

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

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Husky puppy

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.

Cat lying on bed
St. Louis animal hospital
  • They were really great! It was really a relief to find a vet whose hours had not changed and was open overnight for an emergency visit with Maddie our little Pug...
    - Victoria F.

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. 

Ear Hematoma Surgery in Dogs

Ear Hematoma Surgery in Dogs

If your dog experiences an injury to their ear then they may develop a blood blister, otherwise known as a hematoma. Our St. Louis vets talk about what an ear (aural) hematoma is and what you can expect from ear hematoma surgery for your dog.

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ECG for Pets: When It's Needed?

ECG for Pets: When It's Needed?

If your dog or cat is experiencing an illness or injury that is causing irregularities in their heart rate then your vet may order an ECG. In this post, our St. Louis vets talk about what an ECG is and how this diagnostic test can help our veterinary team diagnose your cat or dog.

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Dog Knee Surgery

Dog Knee Surgery

If your pup experiences a torn CCL or similar injury then treatment with orthopedic surgery may be recommended. Today our St. Louis vets look at how orthopedic injuries occur and the different types of surgery used for knee repairs in dogs.

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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


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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.

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