POM-V Prescription Required

Ketosan, 100 mg/ml Solution for Injection for Cattle and Pigs

Active ingredient: Ketoprofen

Form

Injection

Species

Cattle Pigs

Manufacturer

Interchemie werken De Adelaar BV

VMD MA No.

48659/4000

What it's used for

be used to alleviate post-operative pain after dehorning or castration. Pig: The veterinary medicinal product is indicated for antipyretic and anti-inflamm...

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 Ketoprofen

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

Ketosan, 100 mg/ml Solution for Injection for Cattle and Pigs — SPC Details

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

be used to alleviate post-operative pain after dehorning or castration.
Pig:
The veterinary medicinal product is indicated for antipyretic and anti-inflammatory
treatment in diseases of the respiratory system and the mastitis-metritis-agalactia
(MMA) syndrome.
AN: 00343/2025 & 00346/2025

Cattle:
3.0 mg ketoprofen per kg bodyweight, corresponding to 3 ml per 100 kg bodyweight,
daily for 1-3 days via intramuscular injection. The maximum volume per injection site
in intramuscular injections is 2.6 ml.
Pig:
A single dose of 3.0 mg ketoprofen per kg bodyweight, corresponding to 3 ml per 100
kg bodyweight via intramuscular injection. The maximum volume per injection site in
intramuscular injections is 1.7 ml.
AN: 00343/2025 & 00346/2025
The rubber stopper can be safely punctured for up to 15 times. Use of a draw-off
needle is recommended when treating large groups of animals. To ensure
administration of a correct dosage, body weight should be determined as accurately
as possible and dosing devices or syringes with suitable graduations are to be used.

Do not use in cases of hypersensitivity to the active substance or any of the
excipients.
Do not use in animals suffering from gastrointestinal lesions, haemorrhagic
diathesis, blood dyscrasia or hepatic, renal or cardiac conditions.
Do not use other non-steroidal anti-inflammatory drugs (NSAIDs) concurrently or
within 24 hours of each other.

Cattle, pigs:
Very rare
(<1 animal / 10 000 animals
treated, including isolated
reports):
Allergic reactionUndetermined frequency
(cannot be estimated from
available data):
Injection site reaction
Ulceration
Gatrointestinal irritation
Appetite loss
1
Transient, after repeated intramuscular injection
due to its mechanism of action (e.g. inhibition of prostaglandin synthesis).
In pigs, after repeated administration, reversible
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 the national competent authority via the
national reporting system. See the package leaflet for respective contact details.

None.

Special precautions for safe use in the target species:
Use of this veterinary medicinal product in old animals or animals younger than 6
weeks has risks. If such use is inevitable, careful clinical monitoring of the animal and
lowering the dose may be necessary.
Avoid intra-arterial injection.
Do not exceed the recommended dose or treatment duration.
Use caution when using in dehydrated and hypotensive animals, as there is a
potential risk of increased renal toxicity.
Animals should have adequate access to drinking water over the course of treatment.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals
People with known hypersensitivity to ketoprofen or benzyl alcohol should avoid
contact with the veterinary medicinal product.
This product may cause dizziness and drowsiness. Avoid accidental self-injection
and dermal exposure. In case of accidental self-injection, seek medical advice
immediately and show the package leaflet or the label to the physician. However, do
not drive!
This product may cause skin and eye irritation. Avoid contact with skin and eyes. In
case of spillage onto skin or eyes, wash the affected area thoroughly with water. If
irritation persists, seek medical advice.
Wash hands after use.
Special precautions for the protection of the environment:
Not applicable.
AN: 00343/2025 & 00346/2025

Do not use this veterinary medicinal product in combination with other NSAIDs or
with corticosteroids, diuretics, nephrotoxic drugs or anticoagulants.
Do not use in combination with other drugs that could inhibit the aggregation of
thrombocytes and cause gastrointestinal ulceration.
Some NSAIDs may be highly bound to plasma proteins and compete with other
highly bound drugs which can lead to toxic effects.

Do not refrigerate or freeze.

Cattle:
Meat and offal: 4 days
Milk: zero hours
Pig:
Meat and offal: 5 days

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.