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About CASE Hospital

Since opening our doors in 1997, Companion Animal Specialty and Emergency Hospital has been providing specialty and emergency veterinary care to patients in Crystal Lake, McHenry County, and beyond. Our compassionate veterinarians are proud to be there for your pet when it matters most.  

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Emergency Veterinary Care in Crystal Lake

Count on CASE Hospital to be to manage your pet’s emergency and critical care needs. Every patient is attended to as quickly as possible with a gentle touch.

Our entire veterinary team is available to ensure that your pet receives comprehensive, continuous, and compassionate attention to get on the road to recovery as quickly as possible.

Emergency Services     Our Emergency Vets

Specialized Veterinary Care

In addition to our long-trusted and established emergency care, our surgical and internal medicine team is ready to work closely with your family veterinary to help your pet with complex, chronic, and difficult cases.

We also have uniquely qualified integrative medicine practitioners who offer complementary services such as physical rehabilitation and hydrotherapy.

Specialty Services     Our Specialists

CASE Hospital in Crystal Lake

Our Pet Care Philosophy

It is our mission to provide state-of-the-art medical care with compassion and exceptional service to both our clients and referring veterinarians. We proudly serve pet owners and veterinarians in Crystal Lake by providing advanced-level services and procedures not generally available in family practice.

What Sets Us Apart

Hospital Features

Open 7 Days a Week

Emergency Care

Fully-Equipped Facility

Advanced Diagnostic Tools

In-House Lab & Pharmacy

Convenient Location

Convenient Free Parking

Phone Call Appointment Reminders

Wheelchair Accessible 

Newly Renovated (2013)

AAHA Certified 

Financing (CareCredit & ScratchPay)

Hospital Gallery

Our Commitment 

At CASE Hospital, we are committed to providing the highest level of care to our patients and our community.

We know that the bond you have with your pet is irreplaceable and highly treasured. You rightly expect the peace of mind that your pet is receiving the best care that veterinary science affords. Our priority is to provide that to you by ensuring that your pet is treated as if they are our own.

You can also find us involved in the local community through our sponsorship of the Crystal Lake Farmers' Market and our support of local shelters. 

We look forward to answering any questions you may have about our hospital and your pet's care.


New Patients Welcome

Companion Animal Specialty and Emergency Hospital is accepting new patients! Our specialists and experienced emergency veterinarians are passionate about restoring good health to animal companions in Crystal Lake.

Contact Us

Contact (815) 479-9119