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  • New Patients Welcome

    Open 7 Days a Week in Crystal Lake

    At Companion Animal Specialty and Emergency Hospital, we have veterinarians that provide compassionate emergency care around the clock, including Saturdays and Sundays.

    Call (815) 479-9119

  • New Patients Welcome

    Open 7 Days a Week in Crystal Lake

    At Companion Animal Specialty and Emergency Hospital, we have veterinarians that provide compassionate emergency care around the clock, including Saturdays and Sundays.

    Call (815) 479-9119

lab microscope

Diagnostics & Lab

Our in-house veterinary lab allows us to complete advanced diagnostic testing accurately and efficiently so your pet's care can begin as soon as possible. 

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ER Services

You can count on CASE Hospital to be ready 24/7 on Thursdays through to Tuesdays to manage your pet's emergency needs.  

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cat at a vet

Veterinary Care You Can Count On

CASE Hospital Veterinarians in Crystal Lake Welcome Patients 7 Days A Week

We offer a range of specialty services including internal medicine, and  integrative medicine to help pets suffering from complex conditions, injuries, or diseases.

We care for Crystal Lake’s companion animals and have developed a reputation over the years for quality, professional care with a compassionate touch.

Our team of experienced Crystal Lake vets are proud to live up to the standards of veterinary excellence laid out by the American Animal Hospital Association!

AAHA

About Our Hospital

  • The staff was super friendly and nice and showed they cared about my dog. They took great care of my dog and reached out to my vet to let her know what happened. I would highly recommend this ER Vet since I've been to others before and was never taken care of and treated so well.
    - Sara

Stay Informed

Tips & Advice From Our Team

Whether you are looking for advice on emergency conditions or information on common pet illnesses, our informative blog features valuable tips and advice from our Crystal Lake vets that will help you to keep your pets healthy and happy.

Why is My Dog Constipated & What to Do

Why is My Dog Constipated & What to Do

Constipation is an uncomfortable condition that can affect dogs of any breed, age, size, or lifestyle. In this article, our Crystal Lake vets will explore one of the most common digestive issues seen in pets and discuss the causes of constipation in dogs, along with treatment options.

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Asthma in Cats

Asthma in Cats

Asthma is a difficult-to-diagnose condition in cats. The symptoms often resemble those of other respiratory illnesses. In this post, our Crystal Lake vets share the asthma symptoms in cats, how this condition can be treated and managed, and the prognosis.

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Best Dog Breeds for Kids

Best Dog Breeds for Kids

Knowing which dog breed will be right for you, especially if you are a family with young children, can be tough. What are the traits that you should look for? In this post, our vets in Crystal Lake share some of the best dog breeds for families with kids and what makes them a good fit.

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Expert care in McHenry County

Open 7 Days a Week, Including Saturday & Sunday

Companion Animal Specialty and Emergency Hospital proudly serves patients in Crystal Lake and beyond.

Emergency Care

We see emergency and critical care cases 24 hours a day, 7 days a week

Specialty department hours vary week by week.

Contact Us

Location

1095 Pingree Rd Ste 120 Crystal Lake IL 60014 US

Phone Number

(815) 479-9119

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