POM-V Prescription Required

HY-50 Vet 17 mg/ml Solution for Injection in Pre-filled Syringe

Active ingredient: Sodium Hyaluronate

Form

Injection

Species

Horses

Manufacturer

Dechra Regulatory B.V.

VMD MA No.

50406/3032

What it's used for

For intra-articular and intravenous treatment of lameness caused by joint dysfunction associated with non-infectious synovitis.

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

HY-50 Vet 17 mg/ml Solution for Injection in Pre-filled Syringe — SPC Details

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

For intra-articular and intravenous treatment of lameness caused by joint
dysfunction associated with non-infectious synovitis.

Intravenous use: 3 ml intravenously repeated at weekly intervals for a
total of three treatments.
For single intra-articular injection: 3 ml (51 mg) intra-articularly into
medium sized and large joints. Smaller joints such as intertarsal,
tarsometatarsal and interphalangeal joints can be treated with a 1.5 ml
dose (25.5 mg).
More than one joint may be treated at the same time.
Excess synovial fluid should be removed whenever possible prior to
injection.
Remove product from refrigerator approximately 10 minutes before
performing injection. The injection should be administered under strict
aseptic conditions. Ensure removal of dirt, hair, topical medicaments and
soap/antiseptic residues. Intra-articular injections should not be made
through overlying skin that is infected, blistered, scurfed or otherwise
compromised. A sterile dressing and clean bandage should be applied
after injection, as appropriate for the particular joint treated.
Single dose syringes made ready for injection shall be used immediately.
Any unused portion of a syringe is to be discarded.

Revised: August 2025
AN: 01338/2025

Do not use in cases of joint infection.

Transient mild swelling and/or heat has been reported in treated joints
(2,7%). These self-limiting local signs resolve spontaneously within 48
hours, and do not negate a successful therapeutic outcome.

None.

i. Special precautions for use in animals
Radiographic evaluation should be carried out in cases of acute,
severe lameness to ensure that the joints are free from serious
fractures.

Revised: August 2025
AN: 01338/2025
ii. Special precautions to be taken by the person administering the
veterinary medicinal product to animals
Not applicable.

interaction
No data available.

Store in a refrigerator (2 C – 8 C). Do not freeze.

More than one joint may be treated at the same time.
Excess synovial fluid should be removed whenever possible prior to
injection.
Remove product from refrigerator approximately 10 minutes before
performing injection. The injection should be administered under strict
aseptic conditions. Ensure removal of dirt, hair, topical medicaments and
soap/antiseptic residues. Intra-articular injections should not be made
through overlying skin that is infected, blistered, scurfed or otherwise
compromised. A sterile dressing and clean bandage should be applied
after injection, as appropriate for the particular joint treated.
Single dose syringes made ready for injection shall be used immediately.
Any unused portion of a syringe is to be discarded.

Revised: August 2025
AN: 01338/2025
4.10 Overdose (symptoms, emergency procedures, antidotes), if
necessary
Not reported.
4.11 Withdrawal period(s)
Meat and offal – zero days.
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.