What should I do if there are bugs in my dog’s eyes? What are the bugs in my dog’s eyes?

Jul 26,2025
4Min

What are the bugs in dog eyes?

The bugs that live in dog eyes are called sucking nematodes. The adult worms are milky white with jagged horizontal stripes on the body surface. The body length of the worm is between 7-17mm. This is a parasitic nematode that lives in the eyes of dogs, cats and other animals. It is spread by flies licking and sucking the eyes of animals with parasites, and then licking and sucking other animals or people. Pet dogs of any breed may be infected with this disease. Parasites.

Can sucking nematodes infect people?

This bug not only infects dogs, but also humans. Flies are the mastermind behind the infection of sucking nematodes everywhere. When the bugs grow up, they will hide in two places in the eye of the final host, the conjunctival sac and the nictitating membrane. Once they've settled into their home, the bugs begin laying eggs like crazy. The fly's body is a good place for the development of insect eggs. After the eggs develop into infective larvae, they will slip near the fly's mouthparts again, waiting for the opportunity to infect other organisms. When the infected fly licks the eye secretions of another host again, the fully developed larvae will take the opportunity to invade the eyes of the new host.

How to confirm whether you are infected

Sucking nematodes like to move very much. This movement will cause mechanical damage to the dog's eyes and also expose the dog himself. The infected dog's eye conjunctiva will be congested, and the eyeball will be moist and sensitive to light. In the later stage, it will become chronic conjunctivitis, sticky eye feces, eye follicles will swell and bleed, and severe cases may cause corneal erosion and ulceration, or even blindness.


How to treat an infection


1. Use local anesthetic eye drops and massage the eyelids. When the insect is paralyzed and motionless, use ophthalmic tweezers to clamp it. Out of the worm body. Then wash your eyes with 3% boric acid solution and apply antibiotic eye ointment.
2. You can drop insecticidal solution into the eyes, massage the eyelids, wait for a few minutes, use ophthalmic tweezers or cotton swabs to gently remove the insects, and then apply antibiotic eye ointment.
3. Subcutaneous injection of Tongmi, once a week, at least 4 times.

How to prevent dogs from being infected with sucking nematodes

1. Pay more attention to the hygiene of dogs and be sure to deworm them regularly.

2. Treatment of eyeworms is not completed at one time. After removing the adult worms, attention should be paid to follow-up flushing and anti-inflammation to prevent the remaining eggs from growing and recurring.

3. Clean up flies, the vector in the infection chain, and reduce the spread of infection.


What to do if your dog is infected with sucking nematodes

Since local anesthetic eyedrops and insecticides may not be convenient to purchase, once you find that your dog has eyeworms, you should send them to the hospital in time for treatment by a professional doctor. , so as not to delay the dog’s condition.

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