Click ToSave Your Spot

Urgent Care, for Pets

Same-day, after-hours care, 365 days a year

O’Fallon Urgent Vet Clinic | O’Fallon, MO

2963 State Highway K, O\'Fallon, Missouri 63368 | 636-590-7900 |

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Here When You
Need Us

Open after hours, weekends & holidays. Our expert veterinary staff is here to help 365 days a year.

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Affordable After
Hours Care

Up to 40% less than the emergency vet, so you can stress less about the bill & focus on your pet’s health.

Price Comparison

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Same-Day
Visits

Save your spot online or just walk-in. You’ll be escorted to a private exam room as soon as you arrive.

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Fear Free, Cutting
Edge Care

Our fear free certified staff & clinic features provide a calm environment in our state-of-the-art facilities.

Explore Our Clinic

We understand what urgent means.

At UrgentVet O’Fallon, our mission is simple: We want to be here for your pet when your primary care vet can’t. Our goal is to provide quick, convenient, affordable care 365 days a year. Think of us as urgent care for pets in O’Fallon, Missouri. We’ll be there when you need us most.

HOURS:

3PM-11PM Mon-Fri 10AM-8PM Sat-Sun 12PM–8PM All Holidays

HOURS:

3PM-11PM Mon-Fri
10AM-8PM Sat-Sun
12PM–8PM All Holidays

Walk-in Veterinary Care in O'Fallon, MO

UrgentVet O’Fallon vet clinic is a trusted walk-in veterinary care provider, offering urgent and comprehensive care for cats and dogs. UrgentVet provides an affordable and accessible solution for walk-in appointments and after-hours emergency veterinary needs. We are dedicated to serving pets in the O’Fallon area including those in Dardenne Prairie, All Saints Village, Weldon Spring, Lake St. Louis, Mechanicsville, and points beyond.

What to Expect

Step 1

Step 1

Select your preferred arrival time online... or just walk in.

Step 2

Step 2

Show up at UrgentVet, we will escort you to your private Fear-Free examination room as soon as you get here.

Step 3

Step 3

The care team will partner with you to discover what is going on and plan how we can help.

Step 4

Step 4

Get treated, head home, and we will update your regular vet. Goodbye hugs and cuddles complimentary.

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Same day care. For times when your regular vet is closed and it's not serious enough for the emergency vet.

When your pet can’t wait to feel better, but it isn’t a life-threatening emergency, why pay emergency care rates and wait an extended period of time to be seen? Similarly to human urgent care, we fill the gap between primary care & the ER, offering fast, affordable care you can count on.

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When is Urgent Care the right choice for my pet?

right care, right price, right time

THE ER VET

WALK IN

With limited appointment options, you and your pet could wait hours to be seen.

BIG $$$$

Most ER vet visits come with a hefty bill.

DESIGNED FOR SEVERE, LIFE-THREATENING CONDITIONS

An ER vet experience can be incredibly stressful for both you and your pet.

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URGENTVET

Save your spot or walk in

Make an appointment so we know you’re coming, or just stop in.

AFFORDABLE CARE

A cost-effective alternative to the ER vet.

Private Exam Rooms

With fear-free features and privacy, our focus is on you. Stress less, care more.

Is Urgent Care the Right Choice for My Pet?

As a premier O’Fallon vet clinic, UrgentVet is equipped with the latest tools, including digital X-rays, ultrasound, and a comprehensive in-house lab, ready to promptly address various pet health issues. While we do not provide overnight stays, we take pride in ensuring that most patients can return home to recover comfortably after their visit.

Open every day of the year, including weekends and holidays, UrgentVet O’Fallon is the reliable facility you need when your pet’s health concerns can’t wait for a regular vet appointment but don’t escalate to requiring an emergency vet.

For those seeking urgent care from a veterinarian in O’Fallon, MO, our doors are open for walk-ins. You can also use our online system to schedule a visit in advance.

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UrgentVet treats cats & dogs - providing care for non-life threatening conditions that happen after your regular vet is closed. Here are some examples of the types of illnesses and injuries we treat.

With a seasoned team of veterinary experts, we’re poised to swiftly diagnose and treat a spectrum of pet ailments, always prioritizing your pet’s comfort and health.

  • Coughing, Sneezing
  • Diarrhea
  • Dehydration
  • Excessive Drinking
  • Eye
  • Discharge & Squinting
  • Fever
  • Not Eating or Not Drinking
  • Poison/Toxin Ingestion
  • Skin Allergies
  • Itching, Rashes, Hot Spots
  • Upper Respiratory Infections
  • Urinary Tract Problems
  • Frequency, Straining or Blood
  • Vomiting

At UrgentVet O’Fallon, we also treat minor injuries, ensuring effective pain management and care:

  • Abscesses
  • Back Pain
  • Cuts & Scrapes
  • Fracture Assessment
  • Mild Lameness
  • Limping
  • Minor Wounds & Lacerations
  • Pain Management
  • Post Op Incisions
  • Toenail Injuries
  • Trouble Walking

When your pet’s behavior seems off, our dedicated team of veterinarians in O’Fallon, MO dives deep to discern the issue, reassuring anxious pet owners with our comprehensive care.

  • Allergies
  • Anal Glands
  • Scooting, Licking
  • Anxiety & Motion Sickness
  • Bad Breath
  • Bites & Stings
  • Ear Infections
  • Head Shaking, Ear Discharge
  • End of Life Care
  • Euthanasia
  • Hiding or Whining
  • Hives & Facial Swelling
  • Lumps & Bumps
  • Parasites
  • Vaccine Reactions

The decision to say goodbye is incredibly difficult. At UrgentVet, we offer compassionate end-of-life services in O’Fallon, ensuring a private and dignified space for you to be with your pet during their final moments.

While our veterinary services are extensive, certain conditions may require a specialized local emergency vet hospital:

  • Hit-by-car (severe)
  • Amputations
  • Overnight hospitalization