Gastrogard for Horses Cost & Ulcer Treatment: 2026 Price Guide
Essential Pricing Takeaways
- • Gastrogard is the only FDA-approved medication clinically proven to heal existing equine gastric ulcers within a 28-day therapeutic regimen.
- • Each syringe delivers 2.28g of buffered omeprazole paste designed to protect the active proton pump inhibitor from degradation in the acidic equine stomach.
- • Veterinary clinic markups routinely push 28-day treatment packages over $1,200; mail-order sourcing lowers the cost to $780 to $890 for the full protocol.
- • Unregulated compounded omeprazole powders frequently lack necessary enteric lipid protection, leading to rapid gastric breakdown and treatment failure.
Equine Gastric Ulcer Syndrome (EGUS) is a pervasive medical condition impacting an estimated 60% of performance horses and upwards of 90% of racehorses in active training.
Gastrogard (paste formulation of omeprazole) remains the gold-standard, FDA-approved pharmaceutical treatment proven to suppress gastric acid production and heal painful mucosal ulcerations.
While ambulatory equine veterinary clinics routinely charge $38 to $48 per individual daily syringe—pushing the total cost of a standard 28-day treatment course past $1,200—equine owners who source authentic Gastrogard through verified online veterinary dispensaries can reduce treatment expenses by 30% to 45%.
Gastrogard Pricing Matrix: Veterinary Clinic Counter vs. Licensed Online Sourcing
| Product Formulation & Pack Size | Active Ingredient | Form | Ambulatory Clinic | Online Sourced | Savings Benchmark | Action |
|---|---|---|---|---|---|---|
| Gastrogard Single Syringe (1-Day) | Omeprazole 2.28g (37% w/w) | Oral Paste Syringe | $42.50 / tube | $31.95 / tube | Save 25% Online ($31.95) | Check Price → |
| Gastrogard 7-Syringe Treatment Pack | Omeprazole 2.28g per tube | 7 Multi-Dose Syringes | $290.00 / pack | $218.00 / pack | Save $72.00 / pack ($218.00) | Check Price → |
| Gastrogard Full 28-Day Course (4 Packs) | Omeprazole 2.28g (28 tubes total) | 28 Syringe Complete Course | $1,160.00 / course | $865.00 / course | Save $295.00 Total ($865.00) | Check Price → |
| Ulcergard Non-Prescription Preventive | Omeprazole 2.28g (Quarter-Dose) | Oral Preventive Paste | $39.00 / tube | $29.50 / tube | Save 24% Online ($29.50) | Check Price → |
*Pricing figures are audited periodically. Destination pharmacies may alter promotions or manufacturer rebates without advance notice.
Top Recommended Options & Discounts
Heartland Vet Supply (Gastrogard 28-Day Protocol)
Best For: Equine owners and barn managers purchasing full 28-day ulcer treatment courses with rapid veterinary authorization
- ✓ Fully licensed US veterinary pharmacy specializing in equine pharmaceuticals and performance care
- ✓ Fast digital prescription coordination with ambulatory equine veterinarians
- ✓ Free refrigerated/temperature-monitored shipping on qualifying bulk equine orders
Canada Pet Care (Ulcer Maintenance & Prevention)
Best For: Stress-induced ulcer prevention during trailering, competition, and intense show schedules
- ✓ Substantial volume discounts on multi-tube preventive ulcer care packages
- ✓ Authentic manufacturer formulations delivered directly to your barn or stable
- ✓ Zero sales tax with complimentary tracked delivery across the United States
Calculate Exact Dose & Cost-Per-Day by Pet Weight
Adjust the weight slider to determine the required clinical dose tier, monthly supply costs, and annual mail-order savings.
*Prices audited across licensed dispensaries. Direct electronic prescription transfer supported.
Understanding Equine Gastric Ulcer Syndrome: Squamous vs. Glandular
The equine stomach is anatomically divided into two distinct regions: the non-glandular (squamous) upper region and the glandular lower region, separated by the margo plicatus. Unlike humans, horses continuously secrete gastric acid (up to 30 liters daily) whether feed is present or not.
Squamous ulcers develop when acid splashes onto the non-protected upper lining during intense exercise or prolonged periods without roughage. Glandular ulcers, by contrast, occur when the protective mucus-bicarbonate barrier of the lower stomach breaks down under heavy training or non-selective NSAID therapy (which is why equine veterinarians increasingly transition horses to COX-2 selective Equioxx firocoxib). Gastrogard is specifically formulated to suppress the H+/K+ ATPase enzyme (the acid pump), raising intragastric pH and allowing the mucosal tissue to heal.
Why Compounded Omeprazole Pastes and Powders Frequently Fail
Omeprazole is an extremely acid-labile molecule. When exposed to an acidic environment (pH below 4.0), raw omeprazole degrades almost instantly into inactive sulfenamide derivatives before it can be absorbed in the small intestine.
Gastrogard utilizes a patented lipid paste vehicle that physically shields the omeprazole molecules from stomach acid until they pass into the alkaline duodenum. Numerous peer-reviewed pharmacokinetic studies have demonstrated that unbuffered compounded omeprazole powders and pastes exhibit unpredictable bioavailability—frequently delivering less than 15% of the labeled active drug into circulation, resulting in persistent ulceration despite months of costly administration.
The Critical Tapering Protocol: Preventing Acid Rebound
Following a full 28-day therapeutic course of Gastrogard (administered at 4 mg/kg once daily on an empty stomach), horse owners must never discontinue medication abruptly. Abrupt cessation triggers "rebound hyperacidity"—a physiological surge where the body overproduces gastric acid in response to weeks of suppression.
Equine veterinarians recommend tapering therapy over two additional weeks: administering half the therapeutic dose (2 mg/kg daily) for days 29 through 35, followed by a quarter dose (1 mg/kg daily, equivalent to an Ulcergard preventive maintenance dose) for days 36 through 42. This step-down protocol prevents acute ulcer recurrence and preserves the newly regenerated mucosal lining.