GASTRO INTESTINAL AND DIGESTIVE CARE
GASTRI-O SYRUP
GASTRI-O SYRUP
By RECTUS REMEDIES
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Prescription Required
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About Product
Vomiting, nausea and “lip-licking” make pets miserable and can derail recovery. A vet-prescribed antiemetic helps control nausea so your dog or cat can keep food and fluids down while your vet treats the cause.
What this product type does (dogs & cats, vet-guided)
This is a prescription (Schedule H) anti-nausea/anti-vomiting syrup for dogs and cats. It’s used only under a veterinarian’s direction for short-term control of nausea/vomiting. It does not diagnose or cure the underlying illness—your vet will manage that.
How it works (simple, non-medical)
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Ondansetron = 5-HT3 (serotonin) receptor blocker. It helps turn down the “vomit signal” from the gut and brain’s trigger zones.
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Liquid format (2 mg/5 ml) allows measured dosing by weight, and is easier when pets refuse tablets.
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Can be given with or without food as your vet advises
Features and Benefits
Who is it for?
Dogs or cats with vet-diagnosed ...
Who is it for?
Dogs or cats with vet-diagnosed nausea/vomiting needing short-term control
Pets that reject tablets but accept flavoured liquids
Guardians who can measure doses carefully with an oral syringe
Homes that can monitor hydration and follow vet follow-ups
Benefits mapped to features
Controls nausea & vomiting → ondansetron HCl (5-HT3 antagonist)
Measured dosing → 2 mg per 5 ml with oral-syringe dosing
Better acceptance → palatable flavoured syrup
Clear labelling → Schedule H, “For veterinary use only,” not for human use
Fits treatment plans → can be paired with other vet-prescribed therapies
Key features
Veterinary ondansetron 2 mg/5 ml antiemetic (Rx)
Flavoured liquid for pets that refuse tablets
Measured dosing with oral syringe; vet sets schedule
Schedule H with clear “For veterinary use only” labelling
Works within broader vet treatment plans
Usage and Applications
How to use
Shake well.
Measure the dose with a...
How to use
Shake well.
Measure the dose with an oral syringe—give exactly as prescribed.
Follow your vet’s frequency (often 1–3×/day). With or without food per vet advice.
If a dose is missed, do not double—resume next scheduled dose.
Quick tip: If your pet drools after dosing, give a tiny food chaser (only if vet allows) to mask taste.