Skip to content
POM-V Prescription Required Companion Animal

Therios 750 mg Palatable Tablets for Dogs

Active ingredient: Cefalexin

Form

Tablet

Species

Dogs

Manufacturer

Ceva Sante Animale

VMD MA No.

14966/5071

What it's used for

For the treatment of bacterial skin infections in dogs (including deep and superficial pyoderma) caused by organisms sensitive to cefalexin. For the treatm...

Full indications, dosage and side effects ↓
View official SPC (PDF)

The prescription itself has a price. See what practices near you charge for a consultation and the written prescription fee.

Paying less for Cefalexin

  1. 1

    Ask your vet for a written prescription

    They must provide one on request. Under the CMA Order the fee is capped at £21 from 2027.

  2. 2

    Fill it at a registered online retailer

    The CMA found online pharmacies 50–60% cheaper than practice dispensing on common medicines — typically £200–£300 a year.

Prescription required

Your vet must provide a written prescription on request. You can then purchase from any licensed online retailer.

Clinical information

Therios 750 mg Palatable Tablets for Dogs — SPC Details

Source: VMD Summary of Product Characteristics (SPC). Last updated 26 Mar 2026.

For the treatment of bacterial skin infections in dogs (including deep and superficial
pyoderma) caused by organisms sensitive to cefalexin.
For the treatment of urinary tract infections in dogs (including nephritis and cystitis)
caused by organisms sensitive to cefalexin.
Do not use in cases of hypersensitivity to penicillins, cephalosporins or to any
of the excipients.
Do not use in case of severe renal failure
Do not use in rabbits, guinea pigs, hamsters and gerbils.
Dog
Rare (1 to 10 animals/10,000 animals
treated):
Hypersensitivity reactionUndetermined frequency (cannot be
estimated from the available data):
Vomiting, Diarrhoea
Reporting adverse events is important. It allows continuous safety monitoring of a
veterinary medicinal product. Reports should be sent, preferably via a veterinarian, to
either the marketing authorisation holder or its local representative or the national
competent authority via the national reporting system.
See the package leaflet for respective contact details.

Revised: November 2025
AN: 01841/2025
None.

Not applicable.
Special precautions for use in animals
Whenever possible, the use of the veterinary medicinal product should be based on
susceptibility testing and take into account official and local antimicrobial policies.
As with other antibiotics which are excreted mainly by the kidneys, systemic

Revised: November 2025
AN: 01841/2025
accumulation may occur when renal function is impaired. In case of known renal
insufficiency the dose should be reduced.The veterinary medicinal product is not
recommended for use in dogs less than 2.5 kg bodyweight.
Use of the veterinary medicinal product deviating from the instructions given in the
SPC may increase the prevalence of bacteria resistant to cefalexin and may
decrease the effectiveness of treatment with other beta-lactam antibiotics due to the
potential for cross-resistance.
Safety of the excipient, ammonium glycyrrhizate, has not been established in dogs
less than 1 year old.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals
Cephalosporins may cause sensitisation (allergy) following injection, inhalation,
ingestion or skin contact. Sensitivity to penicillins may lead to cross sensitivity to
cephalosporin and vice versa. Allergic reactions to these substances may
occasionally be serious.
1. People with known hypersensitivity to cephalosporins should avoid contact with
the veterinary medicinal product.
2. Handle this product with great care to avoid exposure, taking all recommended
precautions. Wash hands after use.
3. If you develop symptoms following exposure such as skin rash you should seek
medical advice and show the doctor this warning. Swellings of the face, lips or
eyes or difficulty breathing are more serious symptoms and require urgent medical
attention.
In the case of accidental ingestion, particularly by a child, seek medical advice
immediately and show the package leaflet of the label to the physician.
Special precautions for the protection of the environment
Not applicable.
Other precautions
Not applicable
In order to ensure efficacy, the product should not be used in combination with
bacteriostatic antibiotics.
Concurrent use of first generation cephalosporins with aminoglycoside antibiotics or
some diuretics such as furosemide can enhance nephrotoxicity risks.
Do not store above 25
Divided tablets should be stored in the blister pack.
Not applicable.
5.

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.

Medication costs adding up?

Pet insurance can cover prescription medications. Find the right policy for your pet.

Compare insurance

Find cheaper vets near you

Compare vet consultation prices in your area. Save on procedures and get a prescription to buy medications online.