Epityl 60 mg Flavoured Tablets for Dogs
Active ingredient: Phenobarbital
Form
Tablet
Species
Manufacturer
Chanelle Pharmaceuticals Manufacturing Ltd
VMD MA No.
08749/3009
What it's used for
Prevention of seizures due to generalised epilepsy in dogs.
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Epityl 60 mg Flavoured Tablets for Dogs — SPC Details
Source: VMD Summary of Product Characteristics (SPC). Last updated 26 Mar 2026.
Do not use in animals with serious renal or cardiovascular disorders.
Do not use in dogs weighing less than 6 kg body weight.
Do not use in case of hypersensitivity to the active substance or to any other
barbiturates or to any of the excipients.
Revised: January 2025
AN: 01592/2024Page 2 of 8
evaluated for each individual case and depends on number, frequency, duration and
severity of seizures in dogs.
Some of the dogs are free of epileptic seizures during the treatment, but some of the
dogs show only a seizure reduction, and some of the dogs are considered to be non-
responders.
Special precautions for safe use in the target species:
Caution is recommended in animals with impaired hepatic and renal function,
hypovolemia, anaemia and cardiac or respiratory dysfunction. The chance of
hepatotoxic side effects can be diminished or delayed using an effective dose that is
as low as possible. Monitoring of hepatic parameters is recommended in case of a
prolonged therapy.
It is recommended to assess the clinical pathology of the patient 2-3 weeks after start
of treatment and afterwards every 4-6 months, e.g. measurement of hepatic enzymes
and serum bile acids. It is important to know that the effects of hypoxia etc. do cause
increased levels of hepatic enzymes after a seizure. Phenobarbital may increase the
activity of serum alkaline phosphatase and transaminases. These may demonstrate
non-pathological changes, but could also represent hepatotoxicity, liver function tests
are recommended. Increased liver enzyme values may not always require a dose
reduction of phenobarbital if the serum bile acids are in the normal range.
In stabilised epileptic patients, it is not recommended to switch between
phenobarbital formulations. However, if this cannot be avoided then additional
caution should be taken. This includes more frequent plasma concentration sampling
to ensure that therapeutic levels are maintained. Monitoring for increased side effects
and for hepatic dysfunction should be conducted more regularly until stabilisation is
confirmed.
Withdrawal or transition from other types of anti-epileptic therapy should be made
gradually to avoid precipitating an increase in the frequency of seizures.
The tablets are flavoured. In order to avoid any accidental ingestion, store tablets out
of reach of the animals.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals:
•
barbiturates should avoid contact with the product.
•
children. Take utmost care that children do not come in contact with the
product.
•
children; it may affect the developing brain and lead to cognitive disorders.
Phenobarbital is excreted in breast milk. Pregnant women, women of
childbearing age and women who are breastfeeding should avoid accidental
ingestion and prolonged skin contact with the product.
Revised: January 2025
AN: 01592/2024Page 3 of 8
•
•
to reduce skin contact.
•
medical services of barbiturate poisoning; show the package leaflet or the
label to the physician. If possible, the physician should be informed about the
time and amount of ingestion, as this information may help to ensure that
appropriate treatment is given.
•
to the open blister space and inserted back into the cardboard box.
•
Special precautions for the protection of the environment:
Not Applicable.
plasma proteins, (such as 1acid glycoprotein, AGP), which bind
drugs. Phenobarbital may reduce the activity of some drugs by increasing the rate of
metabolism through induction of drug-metabolising enzymes in liver
microsomes. Therefore, special attention must be paid to the pharmacokinetics and
doses of drugs simultaneously administered. The plasmatic concentration of a range
of drugs (for example cyclosporine, thyroid hormones and theophylline) is decreased
in the case of concurrent administration of phenobarbital. Concurrent use with other
drugs having a central depressive action (like narcotic analgesics, morphinic
derivatives, phenothiazines, antihistamines, clomipramine and chloramphenicol) can
increase the effect of phenobarbital.
Cimetidine and ketoconazole are inhibitors of hepatic enzymes: concurrent use with
phenobarbital can induce an increase of serum concentration of
phenobarbital. Phenobarbital may decrease the absorption of
griseofulvin. Concurrent use with potassium bromide increases the risk of
pancreatitis. Use of phenobarbital tablets in conjunction with primidone is not
recommended as primidone is predominantly metabolised to phenobarbital.
The following drugs can decrease the convulsive threshold: quinolones, high doses
of -lactam antibiotic, theophyllin, aminophyllin, cyclosporine and propofol for
example). Medications which may alter the seizure threshold should only be used if
really necessary and when no safer alternative exists.
medicinal products in order to limit the risk of development of resistance:
Not applicable.
4.12 Withdrawal periods
Not applicable.
4.
This information is sourced from the official Summary of Product Characteristics (SPC) published by the Veterinary Medicines Directorate (VMD). It is provided for informational purposes only and does not replace professional veterinary advice. Always consult your vet before administering any medication.
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Related Conditions
Other Products Containing Phenobarbital
These products share the same active ingredient and may be suitable alternatives. Always consult your vet.
Epiphen 30 mg Tablets
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Epiphen 30 mg Tablets
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Epiphen 60 mg Tablets
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Epiphen 60 mg Tablets
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Epiphen Solution 4% w/v, Oral Drops for Dogs
POM-VVetoquinol UK Limited
Epiphen Solution 4% w/v, Oral Drops for Dogs
POM-VVetoquinol SA
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