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  • All About Hairballs

    Does your favorite feline leave you hairballs as gifts? If so, you’re not alone. Although we love cats for being meticulous groomers, it’s safe to say we don’t like finding hairy presents around the house. Let’s explore what causes hairballs and how to prevent them. What Causes a Hairball? Hairballs

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  • 5 Ways to Protect Your Dog's Hearing

    The acuity of your family dog's hearing far surpasses that of humans. Hearing is a critical sense to dogs, and when diminished, will increase dependency on the sense of smell. When a dog hears something, he can hear it without moving his head. Many muscles surrounding the ears help dogs get premium sound

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  • Captive Reptiles May Have Nutritional Deficiency

    Pet owners keeping reptiles in captivity as household pets may sometimes find that their pets have a nutritional deficiency. Metabolic bone disease is "the most common nutritional deficiency affecting captive reptiles," advises veterinarian Fredrick L. Frye in Reptile Care: An Atlas of Diseases and Treatments.

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  • Bringing Dog Vision in Focus

    Veterinary ophthalmologists are often asked, "How well do animals see?" Visual function involves a combination of many factors, including: the field of view, depth perception, acuity, perception of motion, and color differentiation. All of these functions must then be integrated by the brain to produce

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  • How to Clean Your Pet's Teeth

    Per their dentist’s recommendation, most people brush their teeth twice a day and floss once a day. Practicing regular at-home care and routinely visiting an oral health professional can help prevent bad breath, tooth decay and gum disease. Having good oral hygiene practices is also essential for helping

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  • How to Control Bad Breath in Pets: Tips & Tricks

    There’s nothing fun about getting a slobbery wet kiss from a dog or a cat with bad breath! Bad breath, also known as halitosis, is generally caused by excessive build-up of odor -producing bacteria inside your pet’s mouth, lungs, or even gut. While most cases of bad breath can be traced back to poor

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  • Adopting a Pet Is Just the Beginning

    Your Pet's First Wellness Exam Your veterinarian will perform several services essential to the animal's immediate and long-term well being. A typical evaluation will include blood and fecal tests to check for parasites or diseases that might require immediate treatment. Your pet may also

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  • Bird Grooming - Wings, Beaks & Nails

    The grooming that is necessary for birds is something that may get overlooked, since typically we don't let them constantly roam freely around our houses like with other pets. However, just because they are set on a perch safe within their cages doesn't mean that their maintenance should be any less.

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  • Does Your Cat Need Vaccines?

    In a word, yes. “No other medical development has been as successful as vaccination in controlling deadly diseases in companion animals,” says feline veterinarian Dr. Arnold Plotnick. The Exception Dr. Plotnick and other veterinarians acknowledge that, rarely, vaccinations in cats have been linked

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  • Lameness in Horses

    Horse lameness is a condition that occurs when a horse is unable to move normally. While the majority of horse lameness is related to the foot, this condition may be caused by problems in a horse’s bones, muscles, nerves, tendons or ligaments. Repetitive injuries, infection, poor nutrition, tooth problems,

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  • Do I Have to Vaccinate My Pet?

    Not sure if your furry friend really needs those vaccinations? Skipping them can cause serious health problems - for your pet and you.

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  • Understanding Renal Failure in Cats

    Acute renal failure and chronic renal failure are two health problems that commonly affect cats. Acute renal failure can affect cats at any age; emergency care is essential to treating this condition and saving a cat’s life. Chronic renal failure typically occurs in senior cats. According to the American

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  • Medical Benefits of Regular Home Grooming for Cats

    The condition of your cat’s coat and skin is an important feline health indicator. Healthy coats are shiny and smooth, and healthy skin will be supple and clear. While nutrition and health status will influence a cat’s appearance, regular grooming also has an impact. At-home grooming care, including

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  • Caring for Your Pet Before and After Surgery

    Is a surgery in your pet's future? If it is, you probably have a few questions about pre- and post-surgery care. Paying close attention to care recommendations will help you ensure that the surgery is just a minor disruption to your pet's normal routine. Before Surgery Stop Food Your pet will need

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  • What is an Emergency?

    We all become worried when our beloved pets become ill, but when should we take them to an emergency hospital? Most larger communities have an ER for pets, but when do we need to utilize one? What symptoms are serious and need immediate attention, and what can wait until the next day for your regular

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  • What Is a Spay?

    Everyone knows they should have their females dogs and cats spayed, but what exactly does that mean? The word "spay" is thought to originate from the Old French espeer meaning to cut with a sword, which then may have been changed to the Middle English spayen. Today the word means to perform a surgery

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Office Hours

Our Regular Schedule

Monday:

8:30 am-1:00 pm

2:00 pm-5:00 pm

Tuesday:

8:30 am-1:00 pm

2:00 pm-5:00 pm

Wednesday:

8:30 am-1:00 pm

2:00 pm-5:00 pm

Thursday:

8:30 am-1:00 pm

2:00 pm-5:00 pm

Friday:

8:30 am-1:00 pm

2:00 pm-5:00 pm

Saturday:

Closed

Sunday:

Closed

Testimonials

Read What Our Clients Say

  • "I love Callahan Drive Animal Hospital! Best Veterinarian & Staff in Knoxville been going here for 15 years ! Only place I trust with my fur babies ! Everyone is helpful and friendly and they really care about your animals highly recommend !"
    Tracy S.
  • "Took my 3 y/o tortoise recently and I was pleasantly surprised. Not only was the vet knowledgeable and kind, but the overall visit (including an x-ray) was reasonably priced. I definitely recommend and I will be returning for future services"
    Valerie B.
  • "This group loves animals! Everyone is so kind and helpful! This Vet loves sharing information too! Wouldn’t go anywhere else!"
    Karen W.
  • "This is the best vet I’ve ever took my dog to I couldn’t see myself going anywhere else they took very good care of my son and I feel so much better knowing exactly what’s wrong with him very very sweet staff thank you soooooooo much Dr.Hilla and staff"
    Diane J.
  • "Doc Villa ALWAYS takes care of Studly Dudley!! I will ALWAYS recommend Callahan Drive Animal Hospital & their entire team as they truly do care for your animal in the same way you do!! Dr Villa has cared for Dudley for most of his SIXTEEN years & he’s still happy, healthy & strong!! I strongly believe, Stud has made it to this old age so gracefully due to the care he’s been given with this facility!! I would not trust another team than Callahan Animal with my “first child”, the only place for us to go!! Highly recommended!!"
    Lauren H.
  • "10/10 experience was even better than hoped for. As a snake owner, you hear things about vets that make you question taking them and it was very comforting and nice to have someone who not only helped but took the time to talk about caring for them properly. Thank you guys so much!"
    Lydia B