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Epiphen Solution 40mg/ml

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SRP £32.10

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Epiphen Solution (Phenobarbital / Phenobarbitone) is an antiepileptic agent for use in the control of epilepsy in dogs.
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Product Details

Epiphen 40mg/ml Solution contains 40mg/ml of the active ingredient phenobarbitone. It is an antiepileptic medication used for the treatment and control of epilepsy in dogs. It can also be used in cats. It aims to reduce the frequency and / or severity of seizures / fits. The solution enables easy and accurate dosing and offers an alternative to Epiphen tablets. 

To be given orally twice daily, 12 hours apart. The full effect of the medication may not be apparent for 2 weeks. Some patients may show drowsiness initially and/or an increase in appetite. This drug can cause liver damage long term – blood tests are recommended periodically to monitor the liver and to monitor levels of Epiphen in the bloodstream. The effectiveness of treatment will also be monitored by clinical signs i.e. a reduction in the seizures / fits your dog is having.

Medication is lifelong once started; do not stop the medication suddenly, as this can precipitate seizures. 

Epiphen is a Schedule 3 Controlled Drug under the Misuse of Drugs Regulations 2001, so prescriptions for Epiphen must fulfil all these regulations. 

Please note: This is a Controlled Drug and therefore has specific guidelines on supply. 

We will supply a maximum of 6 months’ worth of this medication for long term ongoing treatment, so please bear this in mind when ordering.

The order will be sent via Courier only.


It is available in
  • 300ml bottle


As this medication is classified as controlled drug, and to follow the legal procedures, we will need the original prescription to be posted to us. Unfortunately, we won’t be able to accept photos or digital copies of the medication.

Ordering prescription medication is easy

Follow these simple steps

  1. Get a prescription from your vet
  2. Place your order with us
  3. Add a prescription and tell us about your pet.
  4. Our vets will double check your order & your order is dispatched right away
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