Skip to Main Content
Ask About Financing
  • 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     About Our In-House Diagnostics

  • After Hours Emergency Pet Care

    Dedicated 24/7 Emergency Services in O'Fallon

    Our teams of experienced veterinarians are prepared to provide extended after-hours care to pets in Kirkwood and 24/7 emergency care at our O'Fallon location to help your pet when they need us most.

    24/7 Emergency Care in O'Fallon     After-Hours Care in Kirkwood

  • 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     Orthopedic Surgeries for Pets

Emergency Care

Our veterinarians provide after-hours 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

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. 

Recognizing & Treating Ear Infection in Dogs

Recognizing & Treating Ear Infection in Dogs

Ear infections are common ailments for dogs. If diagnosed early, most canine ear infections are easily treatable. In this post, our St. Louis vets list a few signs that your pup may have an ear infection and what to do if your dog has one.

Read more

Endoscopy for Diagnosing & Treating Digestive Issues in Pets

Endoscopy for Diagnosing & Treating Digestive Issues in Pets

If a gastrointestinal issue is triggering symptoms such as vomiting or diarrhea in your cat or dog, a veterinarian can order an endoscopy. Here, our St. Louis vets define the endoscopy procedure and explain which types of conditions it can be used to diagnose. 

Read more

Dog Bone Fracture: Everything You Need to Know

Dog Bone Fracture: Everything You Need to Know

Finding that your dog has broken a leg can be an extremely stressful, even frightening, experience. In this post, our St. Louis vets explain how to identify symptoms of a bone fracture and discuss treatment, recovery, and more.

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