POM-V Prescription Required

Hyonate 10 mg/ml Solution for Injection

Active ingredient: Sodium Hyaluronate

Form

Injection

Species

Horses

Manufacturer

Boehringer Ingelheim Vetmedica GmbH

VMD MA No.

04491/3023

What it's used for

For adjunctive intra-articular treatment of joint disease associated with non-infectious synovitis in horses.

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 Sodium Hyaluronate

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.

Your prescription rights → VMD register of retailers →

Prescription required

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

Clinical information

Hyonate 10 mg/ml Solution for Injection — SPC Details

Source: VMD Summary of Product Characteristics (SPC). Last updated 27 Mar 2026.

For adjunctive intra-articular treatment of joint disease associated with non-infectious
synovitis in horses.

The recommended dose is:
-
-
Three treatments at weekly intervals. Fewer treatments may be required if
early improvement is observed.
Strict aseptic technique should be observed when injecting the veterinary
medicinal product. As with any intraarticular procedure, proper injection site
disinfection and animal restraint are very important. Excess synovial fluid
should be aseptically removed prior to injection. Care should be taken not to
scratch the cartilage surface with the point of the injection needle.
For best results, the horse should be given three days stable rest after
intraarticular treatment before gradually resuming normal activity.

None known

Horses:
Very rare
(<1 animal / 10 000 animals treated,
including isolated reports):
Injection site joint reaction
(e.g. injection
site swelling
)
After intraarticular injection.
Diffuse swelling lasting 23-48 hours resulting from irritation by the needle
while in the joint space. These may be acute but will generally resolve without
sequelae within a few days.
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.

This product does not contain an antimicrobial preservative. Any solution
remaining in the vial following withdrawal of the required dose should be
discarded.

Special precautions for safe use in the target species:
See 3.9 below regarding special precautions in administration
Special precautions to be taken by the person administering the veterinary
medicinal product to animals:
Not applicable
Special precautions for the protection of the environment:
Not applicable.

interaction
None known.

Do not store above 25 °C.
Protect from light.

Meat and offal: zero days.
Milk: Not authorised for use in animals producing milk for human
consumption.
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.