ProteqFlu Suspension for Injection for Horses
Active ingredient: Equine influenza virus
Form
Injection
Species
Manufacturer
Boehringer Ingelheim Vetmedica GmbH
VMD MA No.
04491/5047
What it's used for
Active immunisation of horses of 4 months of age or older against equine influenza to reduce clinical signs and virus excretion after infection. Onset of i...
Full indications, dosage and side effects ↓The prescription itself has a price. See what practices near you charge for a consultation and the written prescription fee.
Paying less for Equine influenza virus
-
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
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.
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Prescription required
Your vet must provide a written prescription on request. You can then purchase from any licensed online retailer.
ProteqFlu Suspension for Injection for Horses — SPC Details
Source: VMD Summary of Product Characteristics (SPC). Last updated 26 Mar 2026.
to reduce clinical signs and virus excretion after infection.
Onset of immunity: 2 weeks after primary vaccination course.
Duration of immunity induced by the vaccination scheme: 5 months after primary
vaccination course and 1 year after the third vaccination.
Issued: April 2023
AN: 00908/2022
Rare
(1 to 10 animals / 10,000 animals
treated):
Injection site swelling
, increased skin
temperature, muscle stiffness, injection
site pain
Elevated temperature
Very rare
(<1 animal / 10,000 animals treated,
including isolated reports):
Injection site abscess
Apathy, decreased appetite
Hypersensitivity reaction
1
transient, usually regresses within 4 days; in rare occasions, swelling can reach a
diameter up to 15–20 cm, with duration up to 2–3 weeks that may require
symptomatic treatment.
max. 1.5 °C, for 1 day, exceptionally 2 days.
the day after vaccination.
which may require appropriate symptomatic treatment.
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 the last section of
the package leaflet for respective contact details.
Issued: April 2023
AN: 00908/2022
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.
administered on the same day but not mixed with Boehringer Ingelheim’s inactivated
vaccine against rabies.
The vaccines should be given at different sites.
Do not freeze.
Protect from light.
Issued: April 2023
AN: 00908/2022
* vCP content checked by global FAID50 (fluorescent assay infectious dose 50%) and
qPCR ratio between vCP.
Adjuvant:
Carbomer........................................................................................4 mg
Excipients:
For the full list of excipients, see section
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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Other Products Containing Equine influenza virus
These products share the same active ingredient and may be suitable alternatives. Always consult your vet.
BioEquin F Suspension for Injection for Horses
POM-VBioveta, a.s.
BioEquin F Suspension for Injection for Horses
POM-VBioveta, a.s.
BioEquin FT Suspension for Injection for Horses
POM-VBioveta, a.s.
BioEquin FT Suspension for Injection for Horses
POM-VBioveta, a.s.
Equilis Prequenza Te Suspension for Injection for Horses
POM-VIntervet International B.V.
Equilis Prequenza Te Suspension for Injection for Horses
POM-VMSD Animal Health UK Limited
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