How long until Libromide reaches steady state?

Up to 3-4 months because of the long half-life. A loading dose may be used to shorten this.

Can my dog eat a salty diet on Libromide?

No - changes in dietary chloride change bromide levels significantly. Keep diet consistent.

Libromide price comparison UK

Adjunctive antiepileptic added to phenobarbital or imepitoin when seizure control is incomplete on monotherapy. Active ingredient: potassium bromide. Below: compare UK vet prices with VMD-approved online pharmacies for your dog's weight.

Dog weight (kg)Your vet's price per month (optional, £)

Typical vet price

£34.00–£50.00/mo

indicative UK range

Cheapest online

£13.17/mo

Pet Drugs Online

Annual saving

£249.96–£441.96

after £21 prescription fee: £228.96–£420.96

Based on a 15 kg dog, recommended strength: 325 mg. 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.

Pharmacy	Pack	Pack price	Monthly cost	Buy
Pet Drugs Online VMD approved · Free over £39	100 tablets	£21.95	£13.17 Best value	Buy from Pet Drugs Online
Animed Direct VMD approved · Free over £29, next-day available	100 tablets	£23.27	£13.96	Buy from Animed Direct
VetUK VMD approved · Free over £29	100 tablets	£24.80	£14.88	Buy from VetUK

What Libromide treats

Adjunctive antiepileptic added to phenobarbital or imepitoin when seizure control is incomplete on monotherapy.

Why it costs more at the vet

Dechra-branded potassium bromide; the underlying salt is inexpensive, the licensed veterinary version commands a premium.

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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. We have a short guide with a template email you can send to your practice.

Read the full prescription guide →

Common side effects

Sedation
Polyphagia
Ataxia at high doses

This is not a complete list. Always read the patient information leaflet and speak to your vet about side effects.

FAQ

How long until Libromide reaches steady state?: Up to 3-4 months because of the long half-life. A loading dose may be used to shorten this.
Can my dog eat a salty diet on Libromide?: No - changes in dietary chloride change bromide levels significantly. Keep diet consistent.

Related medications

Anti-epileptic

Pexion

First-line antiepileptic for idiopathic epilepsy in dogs. Twice-daily dosing. Lifelong therapy with substantial cumulative savings online.

First- or second-line antiepileptic for idiopathic epilepsy. Phenobarbital is a controlled drug (Schedule 3) - written prescription mandatory.

Alternative phenobarbital brand to Phenoleptil. Same molecule, different presentation. Controlled drug (Schedule 3).

Track Libromide price drops

We'll email when Libromide drops in price at any of the pharmacies above.

Pricing data status: indicative. Last verified 2026-05-15. Pharmacies change prices regularly - always confirm before purchase. Not medical advice.