Companion Animal Specialty & Emergency Hospital (CASE Hospital) has been providing specialty and emergency veterinary care to patients in Crystal Lake, McHenry County, and beyond since 1997. Our experienced and compassionate team of emergency veterinarians and specialists are an extension of your primary care veterinarian, ensuring that your pet receives comprehensive and timely care when it matters most. At CASE Hospital, we offer a wide range of services to meet your pet's healthcare needs.

Our emergency services are available to manage your pet's critical care needs, providing immediate attention and support. In addition, our surgical and internal medicine team works closely with your family veterinarian to handle complex and chronic cases. We also have integrative medicine practitioners who offer complementary services such as physical rehabilitation and acupuncture.

As a state-of-the-art medical facility, we boast fully-equipped facilities, advanced diagnostic tools, an in-house lab and pharmacy, and a convenient location with free parking. We are committed to providing the highest level of care to our patients and our community, ensuring that your pet is treated as if they are our own. New patients are always welcome, and we look forward to answering any questions you may have about our hospital and your pet's care