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POM-V Prescription Required Companion Animal

Versican Plus L4 Suspension for Injection for Dogs

Active ingredients: Leptospira interrogans serogroup Australis, Leptospira interrogans serogroup Canicola, Leptospira interrogans serogroup Icterohaemorrhagiae, Leptospira kirschneri serogroup Grippotyphosa

Form

Injection

Species

Dogs

Manufacturer

Zoetis UK Limited

VMD MA No.

42058/5084

What it's used for

Active immunisation of dogs from 6 weeks of age: Amended pages: July 2025 AN: 01814/2022 L. interrogans serogroup Australis serovar Bratislava,  interrog...

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

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Prescription required

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Clinical information

Versican Plus L4 Suspension for Injection for Dogs — SPC Details

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

Active immunisation of dogs from 6 weeks of age:

Amended pages: July 2025
AN: 01814/2022
L.
interrogans serogroup Australis serovar Bratislava,

interrogans serogroup Canicola serovar Canicola and L. interrogans serogroup
Icterohaemorrhagiae serovar Icterohaemorrhagiae and

kirschneri serogroup Grippotyphosa serovar Grippotyphosa.
Onset of immunity:
4 weeks after completion of the primary course.
Duration of immunity:
At least one year following the primary vaccination course for all components of
Versican Plus L4.
None.
Dogs:
Common
(1 to 10 animals / 100 animals treated):
injection site swelling
Rare
(1 to 10 animals / 10,000 animals
treated):
hypersensitivity reaction
(anaphylaxis,
angioedema, circulatory shock,
collapse, diarrhoea, dyspnoea,
vomiting)
anorexia, decreased activity
Very rare
(<1 animal / 10,000 animals treated,
including isolated reports):
hyperthermia, lethargy, malaise
immune mediated haemolytic anaemia,
immune mediated haemolytic
thrombocytopenia, immune mediated
polyarthritis
A transient swelling (up to 5 cm) which can be painful, warm or reddened. Any such
swelling will either have spontaneously resolved or be greatly diminished by 14 days
after vaccination.
If a hypersensitivity reaction occurs, appropriate treatment should be administered
without delay. Such reactions may evolve to a more severe condition which may be
life-threatening.
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 also section16 of the
package leaflet for contact details.
A good immune response is reliant on a fully competent immune system.
Immunocompetence of the animal may be compromised by a variety of factors
including poor health, nutritional status, genetic factors, concurrent medicinal therapy
and stress.
Vaccinate healthy animals only.

Special precautions for use in animals
Not applicable.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals
In case of accidental self-injection, seek medical advice immediately and show the
package leaflet or the label to the physician.
Special precautions for the protection of the environment:
Not applicable.
Other precautions
Not applicable.

Amended pages: July 2025
AN: 01814/2022
No information is available on the safety and efficacy of this vaccine when used with
any other veterinary medicinal product other than Versican Plus DHPPi and Versican
Plus Pi. A decision to use this vaccine before or after any other veterinary medicinal
product therefore needs to be made on a case by case basis.
Vaccination against distemper, adeno, parvo and parainfluenza virus (DHPPi):
If protection against DHPPi or Pi is required, dogs can be vaccinated with two doses
of Versican Plus DHPPi or Versican Plus Pi mixed with Versican Plus L4 3–4 weeks
apart from 6 weeks of age:

Amended pages: July 2025
AN: 01814/2022
The contents of a single vial of Versican Plus DHPPi or Versican Plus Pi should be
reconstituted with the contents of a single vial of Versican Plus L4 (instead of the
solvent). Once mixed, the contents of the vial should appear a whitish to yellowish
colour with light opalescence (Pi/L4) or pinkish or yellowish colour with light
opalescence (DHPPi/L4). The mixed vaccines should be injected immediately via the
subcutaneous route.
Store and transport refrigerated (2 °C – 8 °C).
Do not freeze.
Protect from light.
Not applicable.
5. IMMUNOLOGICAL PROPERTIES
Pharmacotherapeutic group: Immunologicals for canidae, inactivated bacterial
vaccines.
ATCvet code: QI07AB01
The vaccine is intended for the active immunisation of healthy puppies and dogs
against diseases caused by serogroup Australis serovar
Bratislava, Leptospira interrogans serogroup Canicola serovar Canicola, Leptospira
kirschneri serogroup Grippotyphosa serovar Grippotyphosa and Leptospira
interrogans serogroup Icterohaemorrhagiae serovar Icterohaemorrhagiae.

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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