How to Treat Dog Conjunctivitis (Pink Eye) at Home

What Is Dog Conjunctivitis?

Conjunctivitis is inflammation of the conjunctiva — the thin, transparent membrane that lines the inner eyelids and covers the white of the eye. It's one of the most common eye conditions in dogs and causes the classic "pink eye" appearance: red, irritated eyes with discharge. While it looks alarming, mild cases can often be managed at home.

Signs of Conjunctivitis in Dogs

• Red or pink coloring of the whites of the eye
• Discharge — clear and watery (allergic) or thick and yellow/green (bacterial)
• Squinting or blinking excessively
• Pawing at the eye
• Swollen or puffy eyelids
• Crusty buildup around the eye, especially after sleep
• One or both eyes affected

Types of Dog Conjunctivitis

• Allergic conjunctivitis: Both eyes, clear watery discharge, often seasonal. Most manageable at home.
• Bacterial conjunctivitis: Yellow or green discharge, may affect one or both eyes. May need prescription antibiotic eye drops.
• Viral conjunctivitis: Often associated with distemper or other viral illness. Requires vet treatment.
• Follicular conjunctivitis: Caused by chronic irritation, produces mucoid discharge. Needs vet evaluation.
• KCS (dry eye): Insufficient tear production causes thick, sticky discharge. Requires prescription treatment.

Home Treatment for Mild Conjunctivitis

Step 1: Clean the Eye Gently

Remove discharge and crust from around the eye using a pre-soaked eye wash pad. Always wipe from the inner corner outward. Use a fresh pad for each wipe and for each eye to avoid cross-contamination.

👁️ Recommended: Miracle Care Eye Wash Pads — 90 single-use pre-soaked pads. Non-stinging formula gently cleans and soothes dog and cat eyes. Removes debris and discharge safely. Ideal for daily eye hygiene and mild conjunctivitis management.

Step 2: Flush with Sterile Saline

A gentle saline flush removes irritants and soothes inflamed tissue. Use sterile saline (not contact lens solution with preservatives) or a pet-specific eye wash. Tilt your dog's head slightly and let the solution flow across the eye from inner to outer corner.

Step 3: Keep the Area Clean

Clean the eye 2–3 times per day. Keep the fur around the eye trimmed to prevent irritation and reduce the buildup of discharge in the fur.

Step 4: Prevent Rubbing

If your dog is pawing at the eye, use a soft recovery collar to prevent further irritation and self-trauma.

Step 5: Address the Underlying Cause

• Allergies: See our guide on how to treat dog allergies at home
• Foreign body: Flush with saline; if object is visible and not embedded, try to flush it out
• Environmental irritants: Reduce exposure to smoke, dust, and chemicals

What NOT to Use on Dog Eyes

• ❌ Human eye drops (Visine, etc.) — not safe for dogs
• ❌ Contact lens solution with preservatives
• ❌ Hydrogen peroxide
• ❌ Baby wipes or scented wipes
• ❌ Cotton swabs near the eye

When to See a Vet

• Thick yellow or green discharge not improving in 48 hours
• Cloudiness or color change in the cornea
• Visible injury or foreign body embedded in the eye
• Severe swelling or pain
• Third eyelid (cherry eye) visible
• Symptoms in a puppy (can indicate serious viral illness)
• One eye significantly more affected than the other (asymmetric infections often need prescription treatment)

See our full guide on how to treat dog eye infection at home for a complete step-by-step cleaning guide.