Opticlox Eye Ointment 16.7% w/w

Cloxacillin

Last verified

Veterinary medicinal product: eye ointment. Distribution category: POM-V (Veterinary Medicines Regulations 2013, Schedule 3). Active substance: Cloxacillin.1

In short: questions and answers

Does Opticlox Eye Ointment 16.7% w/w need a prescription?
Prescription only. As stated in the registration decision.1
Which animals is Opticlox Eye Ointment 16.7% w/w for?
Cats, Cattle, Dogs, Horses, Sheep.1
What is the active substance in Opticlox Eye Ointment 16.7% w/w?
Cloxacillin. ATCvet code: QS01AA90.13
What is the withdrawal period of Opticlox Eye Ointment 16.7% w/w according to the leaflet?
Cattle, milk: 0 days; Sheep, milk: 0 days; Cattle, meat: 0 days; Sheep, meat: 0 days; Horses, meat: 0 days.3
Dispensing
Prescription only1

POM-V: Prescription Only Medicine - Veterinarian. Supplied only on a prescription written by a veterinary surgeon who has assessed the animal.12

Supplied only on a veterinarian's prescription. As stated in the registration decision.

Animal species
Cats1, Cattle1, Dogs1, Horses1, Sheep1
Active substance
Cloxacillin
ATCvet code
QS01AA903
Manufacturer
Marketing authorisation holder: Norbrook Laboratories Limited

Withdrawal period

Animal speciesProductdays
Cattlemilk03
Sheepmilk03
Cattlemeat03
Sheepmeat03
Horsesmeat03
Summary of product characteristics

Composition

Active Substance:

Each 5 g syringe contains 16.7% w/w Cloxacillin (as cloxacillin benzathine 21.3% w/w) equivalent to 835 mg cloxacillin.

Excipients:

For a full list of excipients, see section 6.1

6.1 List of excipients

Aluminium Stearate

Liquid Paraffin

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Pharmaceutical form

Eye ointment.

A smooth sterile cream for ophthalmic use.

3

Pharmacological properties

Pharmacotherapeutic group: Antibiotics

ATC Vet Code: QS01AA90

5.1 Pharmacodynamic properties

Cloxacillin is active against Penicillin G resistant staphylococci. It binds to membrane bound proteins known as Penicillin-binding proteins (PBP's).

3

Target species

Horses

Cattle

Sheep

Dogs

Cats

3

Indications

Opticlox Eye Ointment is indicated for the treatment of eye infections in cattle, sheep, horses, dogs and cats caused by Staphylococcus spp and Bacillus spp.

3

Dosage

For topical administration only.

Evert the lower eyelid and instill a steady flow of ointment into the lower conjunctival sac. Normally a single application only is required, but treatment may be repeated after 48 - 72 hours if necessary.

Dosage guide:

Cattle and Horses:approximately 5 - 10 cm of ointment per eye.
Sheep:approximately 5 cm of ointment per eye.
Dogs and Cats:approximately 2 cm of ointment per eye.

For animals with only a single infected eye it is recommended, to prevent cross infection, that both eyes be treated, treating the uninfected eye first to avoid transferring the infection. Each syringe to be used once only.

3

Contraindications

None, according to available data.

3

Adverse reactions

None, according to available data.

3

Warnings

Special precautions for use in animals

For external use only.

Wherever possible, Opticlox Eye Ointment should only be used based on susceptibility testing.

Special precautions to be taken by the person administering the veterinary medicinal product to animals

Operator warning - penicillin/cephalosporin sensitivity:

Penicillins and cephalosporins may cause hypersensitivity (allergy) following, inhalation, ingestion or skin contact. Hypersensitivity to penicillins may lead to cross reactions to cephalosporins and vice versa.

Allergic reactions to these substances may occasionally be serious.

1. Do not handle this product if you know you are sensitised, or if you have been advised not to work with such preparations.

2. Handle this product with great care to avoid exposure, taking all recommended precautions.

3. If you develop symptoms following exposure such as skin rash you should seek medical advice and show the doctor this warning. Swelling of the face, lips or eyes are more serious symptoms and require urgent medical attention.

Wash hands after use.

3

Use during pregnancy, lactation or lay

Opticlox Eye Ointment can be safely administered to pregnant and lactating animals.

3

Interactions

None known.

3

Overdose

No treatment specified.

3

Special warnings

No special warnings.

3

Withdrawal period

Cattle and Sheep (Milk): Zero hours.

Cattle, Sheep and Horses (Meat): Zero days.

3

Incompatibilities

None known.

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Immediate packaging

A white low-density polyethylene syringe with a snap on cap containing 5g of a smooth sterile cream.

3

Storage

Do not store above 25ºC.

Each syringe should be used on one occasion only.

Unused ointment should be discarded after treatment.

3

Shelf life

Shelf life of the veterinary medicinal product as packaged for sale: 2 years.

3

Disposal of unused product

Any unused veterinary medicinal product or waste materials derived from such veterinary medicinal products should be disposed of in accordance with local requirements.

3

Additional information

Vm 02000/4075

9 DATE OF FIRST AUTHORISATION

17th December 1986.

10 DATE OF REVISION OF THE TEXT

19th November 2008.

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Registration holder

Norbrook Laboratories Limited

Station Works

Newry

Co. Down, BT35 6JP

3

Regulations

Sources

  1. VMD Product Information Database: Opticlox Eye Ointment 16.7% w/w, 02000/4075 UK Veterinary Medicines Directorate (OGL v3.0), checked 2026-10-04 archived copy from 2026-10-04
  2. The Veterinary Medicines Regulations 2013, Schedule 3 (categories of veterinary medicinal products) UK Government, legislation.gov.uk, checked 2026-10-04 archived copy from 2026-10-04
  3. Summary of Product Characteristics: Opticlox Eye Ointment 16.7% w/w UK Veterinary Medicines Directorate, SPC of the marketing authorisation holder, checked 2026-10-04 archived copy from 2026-10-04