Haymarket Veterinary Service

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Haymarket Veterinary Service We are a group of six veterinarians who practice equine ambulatory medicine. Regular office hours are Monday-Friday 9am-6pm and Saturday from 9am-5pm.

We offer full service routine/wellness, sports medicine services, field surgery, gastroscopy/airway endoscopy, and chiropractic/acupuncture in the Northern VA region Established in 1997, Haymarket Veterinary Service is an equine ambulatory practice in Northern Virginia. Our staff of five veterinarians (http://haymarketvet.com/about.php) provide comprehensive care for horses in Prince William, Fauquier, Fairfax, Loudoun and Stafford Counties. Our services include wellness care, vaccinations, strategic deworming programs, complete blood work and endocrinology panels, opthalmologic care, routine and specialized dentistry. We also provide performance and sport horse medicine, including pre-purchase exams, lameness diagnostic exams, and intra-articular injections. Digital radiography units (x-ray), digital ultrasound machine, and digital upper airway endoscope allow our veterinarians to offer the latest technology to diagnose and care for our patients. In addition to traditional medicine, we offer veterinary spinal manipulation (aka veterinary chiropractic) and acupuncture to help your horse feel and perform his or her very best. With fully equipped trucks, emergency ambulatory service is available 24 hours a day, seven days a week including holidays. While we are an ambulatory only practice, we work closely with several referral clinics in the event your horse requires hospitalization or intensive care. Our mission at Haymarket Veterinary Service is to build a relationship with you and your horses so that we may provide the highest quality care and service. From the first phone call with knowledgable office staff, to the arrival of the veterinarian and technician on your farm, we strive to exceed expectations. All other times please call our EMERGENCY service at 866-503-7411.

10/23/2026

Have patients, will travel!

Dr. Kaylin Beatty, LVT Megan, and Assistant Avery used a creative mode of transportation in from the field this afternoon! It’s never a boring day in equine medicine 👏

Prascend Rebate!!The new Prascend rebate has been released — now $80 back when you buy a 160ct! This new rebate will app...
10/20/2026

Prascend Rebate!!

The new Prascend rebate has been released — now $80 back when you buy a 160ct! This new rebate will apply to all purchased from September 21, 2026 until the end of the year 👏

✨Happy National Veterinary Technician Week✨We are spending this week celebrating our technicians and assistants who are ...
10/13/2026

✨Happy National Veterinary Technician Week✨

We are spending this week celebrating our technicians and assistants who are the backbone of our practice. These women provide unending support for our patients and make the practice run smoothly even when it’s almost impossible.

You see them every day in your barns and at your appointments, so please thank them for all they do whenever you get the chance! They are doing so much more behind the scenes for your loved horses and donkeys that you may even realize.

Post any well wishes or thank you’s in the comments and we will make sure the technician team sees them! If you have a story or personal thought, we would love to hear them.

HVS in the saddle!Dr. Kaylin Beatty and technician Jade were spotted this weekend at the Eduhring Farm jumper show with ...
10/01/2026

HVS in the saddle!

Dr. Kaylin Beatty and technician Jade were spotted this weekend at the Eduhring Farm jumper show with their mounts. A great time was had at a beautiful venue!

✨DVM Spotlight - Dr. Kaylin Beatty ✨What is something interesting that people may not know about you? I played college s...
09/12/2026

✨DVM Spotlight - Dr. Kaylin Beatty ✨

What is something interesting that people may not know about you?
I played college softball during my undergraduate schooling.

What fulfills you outside of work?
Most of my free time I spend with my current riding partner, Honest Smile aka Marley. We had a great win at our most recent event and planning to move up to Novice level next weekend.

How do you give back to the equine community?
Every summer I participate in the Equitarian initiative where I’m on a team of veterinarians providing care to the horses and donkeys of Guatemala.

What type of cases do you feel you excel in?
Sports medicine and lameness.

Accurately determining where horses may have problems that affect their performance requires dedication from the owners and precision from their veterinary team. The problem solving aspect is why sports medicine cases are such a draw to me. Seeing a case from initial exam, diagnostics, treatment and recovery keeps me coming back to work every day. We love seeing our patients succeed in all of their athletic activities!

Stay tuned for an interesting lameness case in Part 2!

09/02/2026

Holiday hours update!

The office will be closing for regular appointments at 2pm on Saturday through Monday in observance of Labor Day. We will re-open on Tuesday at 9am for regularly scheduled appointments.

On call veterinarians will be available on the holiday for your emergency needs!

Stay cool ☀️

✨DVM Spotlight - Case Study ✨We are back this week with Dr. DeArmas and a recent case she managed!This 25yo grey Warmblo...
08/29/2026

✨DVM Spotlight - Case Study ✨

We are back this week with Dr. DeArmas and a recent case she managed!

This 25yo grey Warmblood mare initially presented for a painful “blue” right eye.
On physical exam, outside of looking at the eyes, there were several large masses in her throat latch and around her tail. Likely melanomas in an older grey horse!

Right eye exam findings:
- painful and swollen
- no stain uptake (aka no corneal ulcers)
- blue hue to the cornea — this is corneal edema, possibly from increased pressure in the eye. So Dr. DeArmas used a special machine on the farm to measure the intraocular pressures!
- Intraocular pressures (IOP): right eye 68mmHg, left eye: 20mmHg (normal is 15-30mmHg)

Diagnosis: right eye glaucoma
Dr. DeArmas started typical glaucoma treatments including systemic anti-inflammatories for pain and topical medications to address the causes of high pressure…but even after diligent care by the owner, the eye was not responding.
So Dr. DeArmas performed ocular ultrasound — a specialized diagnostic! This helped her find a mass blocking the system in the eye that allows draining of fluids. In this grey mare, the top differential was a melanoma!

See the pictures below that show the ultrasound findings. This diagnostic was crucial in finding the underlying cause of this mare’s glaucoma and helping the owner make decisions about the health of her eyes.

Check out this upcoming owner webinar all about Equine Herpesvirus, all about the disease and how to mitigate risks when...
08/23/2026

Check out this upcoming owner webinar all about Equine Herpesvirus, all about the disease and how to mitigate risks when traveling and showing!

✨August 27th, 8pm ✨

Register at this link:

Join us for this webcast to learn more about equine herpesvirus strains, clinical signs of infection, and potential effects on horses.

08/18/2026

August means fall wellness season is approaching quickly 👏

Give the office a call today to check on when vaccines are coming due. We always recommend checking teeth in the fall, especially for our older friends, to make sure they can chew hay during winter months.

We always look forward to seeing our patients for ✨routine✨ care

703-754-3309
[email protected]

08/06/2026

ADEQUAN RECALL

There is a nationwide recall on 5ml single-dose vials. Lot #24416

Please give the office a call if any of your vials are in these lot numbers.

703-754-3309

Address

4825 Sudley Road
Catharpin, VA
20143

Opening Hours

Monday 9am - 6pm
Tuesday 9am - 6pm
Wednesday 9am - 6pm
Thursday 9am - 6pm
Friday 9am - 6pm
Saturday 9am - 5pm

Telephone

(703) 754-3309

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