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    Proton pump inhibitor · For Gastric Ulcers

    GastroGard for Gastric Ulcers in Horses

    ScriptUnlock editorial·Last reviewed July 5, 2026·Cash-price data refreshed in real time at fill

    GastroGard (omeprazole (paste)) is a proton pump inhibitor used to treat equine gastric ulcer syndrome (EGUS) in horses. Vet offices typically charge $38; Script Unlock pharmacies fill it for ~$25 — saving you $13 (34%) per fill.

    Upload Your Vet Rx Back to GastroGard main page
    Manually verifiedAll pharmacies and compounding vets on Script Unlock are manually verified by our team before they can bid on your pet’s prescription.See our pharmacy verification process
    Vet Office
    $38
    Script Unlock
    $25
    You Save
    $13/mo

    How GastroGard is used for gastric ulcers

    GastroGard belongs to the Proton pump inhibitor class of medications. Veterinarians commonly prescribe it for equine gastric ulcer syndrome (EGUS) in horses because of its established safety profile and clinical effectiveness for this indication.

    Species considerations: GastroGard is approved for use in horses. Dosing, frequency, and monitoring vary by species — your vet determines the exact protocol for your pet.

    Prescription requirement: GastroGard requires a written prescription from a licensed US veterinarian with a valid vet-client-patient relationship. Script Unlock only fills valid vet-written prescriptions; we don't sell medications directly.

    Chronic condition math

    Because Gastric Ulcers in pets is often a chronic condition, monthly savings on GastroGard compound quickly. At $13/month × 12 months = $156/year back in your pocket for the same medication.

    Always work with your vet

    This page is educational only. GastroGard for gastric ulcers must be prescribed by a licensed US veterinarian who has examined your pet. Never medicate your pet without a valid prescription. Script Unlock is a prescription marketplace, not a veterinary practice.

    Frequently asked questions

    Is GastroGard used for gastric ulcers in horses?↓

    Yes — GastroGard is commonly prescribed by veterinarians for equine gastric ulcer syndrome (EGUS) in horses. It's a proton pump inhibitor. Your vet determines whether it's clinically appropriate for your pet's specific situation, weight, and other medications.

    How much does GastroGard for gastric ulcers cost?↓

    Vet offices typically charge ~$38 per fill; verified Script Unlock pharmacies bid at ~$25. That's a savings of $13 (34%) per fill. For chronic gastric ulcers treatment, that's ~$156/year.

    What are alternatives to GastroGard for gastric ulcers?↓

    GastroGard may be first-line for gastric ulcers in your pet's clinical scenario. Discuss alternatives with your vet if you have concerns about cost, side effects, or dosing complexity.

    Do I need a new prescription to get GastroGard for gastric ulcers via Script Unlock?↓

    Yes — Script Unlock only fills valid vet-written prescriptions. Your vet writes the Rx after determining GastroGard is right for your pet. You then upload the Rx to Script Unlock, and verified pharmacies bid.

    Can I fill my pet's GastroGard prescription at a human pharmacy?↓

    Yes — most US-licensed retail and compounding pharmacies can fill veterinary prescriptions. Script Unlock connects you to verified pharmacies that compete on price for your pet's Rx.

    Related
    GastroGard main pageGastroGard CostGeneric vs BrandAlternativesAll pet medicationsPet Owners Hub

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