Common Eye Medications for Dogs and Cats

Eye problems are common in both dogs and cats and can range from mild irritation through to painful conditions which may threaten vision if left untreated.

Some eye conditions require short-term treatment, while others need lifelong medication and ongoing monitoring.

Veterinary surgeons may prescribe a range of eye medications depending on the underlying condition, including antibiotic eye drops, lubricants, glaucoma medications, anti-inflammatory treatments and medications used for dry eye.

Some medications are licensed veterinary medicines, while others may be prescribed under the UK veterinary cascade where clinically appropriate.

Why Eye Problems Should Never Be Ignored

The eye is a delicate structure and some conditions can deteriorate very quickly.

Pets with eye disease may show signs including:

• Redness of the eye
• Squinting or holding the eye closed
• Cloudiness
• Discharge or weeping
• Rubbing at the eye
• Light sensitivity
• Sudden changes in vision

Even conditions which appear mild initially may require veterinary assessment, particularly if pain, cloudiness or squinting are present.

Common Types Of Eye Medication Used In Dogs And Cats

Veterinary eye medications are often grouped into different categories depending on what they are treating.

• Antibiotic eye drops and ointments
• Dry eye and lubricant treatments
• Glaucoma medications
• Anti-inflammatory eye medications
• Corneal support products
• Mydriatic and diagnostic eye drops

The correct treatment depends entirely on the underlying diagnosis, which is why veterinary examination is important before starting medication.

Antibiotic Eye Drops And Ointments

Antibiotic eye medications may be prescribed where bacterial infection is suspected or confirmed.

These medications may be used for:

• Conjunctivitis
• Some corneal ulcers
• Post-operative eye care
• Bacterial eye infections

Common examples include chloramphenicol eye ointment, Exocin eye drops and Tiacil ophthalmic solution.

Different antibiotics may be selected depending on the appearance of the eye, whether a corneal ulcer is present, previous response to treatment and the prescribing vet’s clinical judgement.

Some owners may also be familiar with Isathal eye drops, although availability can vary depending on wholesaler supply.

Dry Eye In Dogs And Cats

Dry eye, also known as keratoconjunctivitis sicca or KCS, is a condition where the eye does not produce enough healthy tear film.

This can lead to discomfort, thick discharge, recurrent infections and damage to the corneal surface.

Many dry eye patients need lifelong management.

Treatment may involve medications to help stimulate tear production alongside lubricants and corneal support products.

Commonly encountered products may include:

• Optimmune
• Tacrolimus or Protopic prescribed under the veterinary cascade
• Lubricating gels and tear replacements
• Corneal support gels

Dry eye treatment often requires regular monitoring and follow-up examinations.

Lubricating Eye Gels And Tear Replacements

Lubricants and tear replacement products may be used to support the surface of the eye and improve comfort.

These products are commonly used in pets with:

• Dry eye
• Corneal disease
• Reduced tear film quality
• Chronic ocular irritation
• Post-operative eye support

Examples may include products such as Remend Corneal Gel, Remend Dry Eye and Samaxia Lacri+.

Lubricants may be used alone or alongside prescription medications depending on the condition being treated.

Glaucoma Medications

Glaucoma is a serious condition where pressure inside the eye becomes too high.

This can be painful and may lead to permanent vision loss if not treated appropriately.

Veterinary surgeons may prescribe medications to help reduce pressure inside the eye.

Examples of glaucoma-related medications may include:

• Dorzolamide, including Trusopt
• Timolol eye drops
• Azopt
• Azarga
• Latanoprost, including Xalatan
• Travatan
  
  
  
  
  

Some glaucoma patients require multiple eye drops and regular pressure monitoring.

Anti Inflammatory Eye Drops

Anti-inflammatory eye medications may be prescribed for selected inflammatory eye conditions under veterinary supervision.

These medications may include steroid eye drops or non-steroidal anti-inflammatory medications.

Examples may include:

• Pred Forte
• Yellox
• Acular

These medications should only be used exactly as prescribed because some anti-inflammatory eye drops may be unsuitable if a corneal ulcer is present.

Mydriatic Eye Drops

Some eye medications are used to dilate the pupil during examination or treatment.

One example is tropicamide, found in products such as MydriaCyl.

These medications are generally used under veterinary supervision rather than for routine long-term owner administration.

Can Human Eye Medications Be Used In Dogs And Cats?

Some eye medications used in veterinary medicine are human medicines prescribed under the UK veterinary cascade.

The veterinary cascade is a legal framework which allows veterinary surgeons to prescribe certain human medications where there is no suitable licensed veterinary alternative available, or where the vet considers a cascade medication clinically appropriate.

Human eye medications should never be used in pets without veterinary guidance.

You can read more about the veterinary cascade here:

Read Our Veterinary Cascade Guide

How To Give Eye Drops To Dogs And Cats

Giving eye medication can be difficult, particularly if the eye is painful.

Helpful tips may include:

• Wash your hands before and after application
• Avoid touching the eye surface with the bottle or tube
• Apply medication calmly and gently
• Use treats or rewards where appropriate
• Leave gaps between multiple eye medications if advised by your vet

Owners should always follow the exact instructions provided by their veterinary surgeon.

When Should You Contact A Vet Urgently?

Urgent veterinary assessment is important if a pet develops:

• A suddenly painful eye
• Cloudiness
• Severe redness
• A swollen eye
• Sudden vision loss
• Persistent squinting
• A visible injury to the eye
• No improvement despite treatment

Some eye conditions can worsen very quickly and early treatment is often important for preserving comfort and vision.

Summary

Veterinary eye medications may be used for a wide range of conditions including conjunctivitis, dry eye, glaucoma, corneal disease and inflammatory eye conditions.

Some medications are licensed veterinary medicines, while others may be prescribed under the veterinary cascade where clinically appropriate.

Because eye disease can deteriorate rapidly, veterinary examination and monitoring are important before starting or changing treatment.

Frequently Asked Questions

Can dogs and cats use human eye drops?

Some human eye medications may be prescribed by veterinary surgeons under the veterinary cascade where clinically appropriate. Owners should never use human eye medication without veterinary guidance.

What is dry eye in dogs?

Dry eye, or keratoconjunctivitis sicca, is a condition where the eye does not produce enough healthy tear film. It often requires long-term management.

What eye drops are used for glaucoma in dogs?

Veterinary surgeons may prescribe medications such as dorzolamide, timolol, latanoprost or combination products depending on the individual case.

Can eye ulcers become serious?

Yes. Corneal ulcers can worsen rapidly and should always be assessed by a veterinary surgeon.

Do I need a prescription for veterinary eye medication?

Some eye medications require a veterinary prescription, particularly prescription-only medicines and medications prescribed under the veterinary cascade.

Why does my dog keep getting eye infections?

Recurring eye infections may sometimes occur secondary to underlying problems such as dry eye, eyelid abnormalities, allergies or corneal disease. Veterinary investigation may be needed.