Tiacil Eye Drops
Topical gentamicin eye drops for bacterial conjunctivitis and ocular surface infections. Active ingredient: gentamicin.
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Based on a 15 kg dog, recommended strength: 5 ml. Assumes 12 months of continuous use (chronic dosing) and one written prescription per year. CMA Order caps the prescription fee at £21 for the first medicine, plus £12.50 per additional medicine on the same prescription. Prices are indicative and last verified 2026-05-15. Always confirm the current price on the pharmacy site before purchase.
Why it costs more at the vet
Vetoquinol-branded eye drops; standard vet dispensing margin on a low-cost generic.
Common side effects
- Local irritation
Not a complete list. Always read the patient information leaflet and speak to your vet about side effects.
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How to get a written prescription
The CMA Order is legally binding by 23 September 2026. Every UK vet must offer a written prescription on request, with the fee capped at £21 for the first medicine plus £12.5 per additional medicine on the same prescription. Take the prescription to any VMD-approved online pharmacy listed above.
Common questions
- Tiacil vs Isathal - which to choose?
- Different antibiotics. The vet picks based on the suspected organism or culture.
- Will my dog need a follow-up eye check?
- Usually 5-7 days after starting drops to confirm resolution.
Similar medications
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Same medicine, same regulator, same vet relationship — half the price. Five-minute switch from in-clinic dispensing to a VMD-approved online pharmacy.
Pricing data status: indicative. Last verified 2026-05-15. Pharmacies change prices regularly — always confirm before purchase. Not medical advice.