
Chicken eye problems can be caused by various factors, including bacteria, dirt, abrasions, or wounds. In some cases, what appears to be an eye infection could be an injury caused by another chicken or a side effect of respiratory infections like infectious coryza or mycoplasma. Swollen eyes in chickens are often caused by eye worms, leading to itchiness and pain. Left untreated, eye problems can worsen and impair a chicken's daily life, as birds rely on their sight for essential activities such as finding food and water. Therefore, it is crucial to address eye issues promptly and provide the necessary care, similar to what you would offer a cat or dog. This may include cleaning the affected area gently with a soft, damp cloth and seeking veterinary advice for proper diagnosis and treatment.
| Characteristics | Values |
|---|---|
| Cause | - Eye worm (Oxyspirura mansoni) |
| - Dirt, bacteria, or wounds | |
| - Foreign bodies lodged under the nictitating membrane or lower eyelid | |
| - Mycoplasma | |
| - Infectious coryza | |
| - Avian metapneumovirus (AMPV) | |
| - Exposure to ammonia fumes | |
| Treatment | - Vetericyn Eye Gel |
| - Saline solution | |
| - Ivermectin drops | |
| - Removal of the eye worm | |
| - Antibiotics | |
| - Arnica for swelling | |
| - Aconite for trauma | |
| - Salt and water solution | |
| - Apple cider vinegar | |
| - Tylan Soluble |
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What You'll Learn

Clean the eye with a saline solution
Chicken eye problems can be caused by bacteria, dirt, abrasions, or wounds. If left untreated, the chicken's eye will continue to get worse and may even become infected. To prevent this, you can clean the eye with a saline solution.
To make a saline solution, start by gathering the necessary supplies: a clean storage container, a mixing utensil, and distilled water or tap water. If you choose to use tap water, boil it for 5 minutes to sterilize it. For every quart (4 cups) of water, add 2 teaspoons of table salt. Mix the water and salt until the salt is completely dissolved. Allow the solution to cool to room temperature before using it. Properly label the container and store it at room temperature for up to one week.
When you are ready to clean the chicken's eye, use the saline solution to gently flush the affected area. You can also use sterile cotton swabs to carefully remove any visible dirt or debris around the eye. If the chicken is showing signs of infection, such as redness, swelling, or discharge, it is recommended to seek veterinary advice.
In addition to saline solution, some people also recommend using eye gels or ointments specifically designed for treating livestock eye problems, such as Vetericyn Eye Gel or terramycin eye ointment. These products can help keep the eye moist and promote healing. However, if the chicken's eye condition does not improve or worsens, it is important to consult with a veterinarian for further advice and treatment options.
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Visit a vet for an examination
If your chicken has a swollen eye, it is important to visit a vet for a thorough examination and proper treatment. While you may be inclined to try home remedies or over-the-counter eye gels, it is always best to seek professional advice to ensure the best outcome for your chicken's health.
During the examination, the vet will ask you about the chicken's medical history and any possible causes for the swollen eye. They may inquire about the chicken's living conditions, diet, and any recent injuries or illnesses. It is essential to provide as much detailed information as possible to aid in the diagnosis.
The vet will then carefully examine the chicken's eye, checking for any signs of infection, inflammation, or foreign bodies. They may use specialized equipment, such as an otoscope or ophthalmoscope, to get a closer look at the eye and evaluate the extent of the swelling. This examination will help determine the underlying cause of the issue.
Based on the examination and the chicken's overall health, the vet will provide a diagnosis and recommend an appropriate treatment plan. In some cases, the swollen eye may be caused by an eye worm, and treatment with ivermectin drops or removal of the worm may be necessary. Other possible causes include bacterial infections, respiratory infections, or even ammonia toxicity, especially during the winter season when chickens spend more time indoors with reduced ventilation.
It is important to follow the vet's instructions carefully and administer any prescribed medications as directed. Completing the full course of medication is crucial to prevent the development of medication-resistant bacteria. Additionally, the vet may recommend follow-up examinations to monitor the chicken's progress and ensure the swollen eye is healing properly.
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Treat with Vetericyn Eye Gel
Vetericyn Eye Gel is a treatment option for chicken eye problems. It is available over the counter and can be purchased online or at a feed store. It is also eligible for free shipping on Amazon.
Vetericyn Eye Gel can be applied directly to the chicken's eye. It is important to note that if you see worsening rather than improvement, you should discontinue its use. The gel is also effective when administered orally, although this use is not approved.
Vetericyn Eye Gel is a more affordable option than a veterinarian visit and can be a good solution for homesteaders who need to carefully manage their expenses. It is also a good option when access to an avian vet is limited.
In addition to Vetericyn Eye Gel, there are other treatments for chicken eye problems, including saline solution, arnica for swelling, aconite for trauma, and a mixture of apple cider vinegar, dates, and pomegranate paste for Newcastle disease. Keeping chickens' living areas well-ventilated and clean can also help prevent eye problems caused by ammonia toxicity.
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Remove eye worms
Eye worms, or Oxyspirura mansoni, are a species of roundworm that infects the eyes of chickens. These parasites are most commonly found in the southern region of the United States and other tropical and subtropical areas. The eye worm is transmitted to chickens when they eat its intermediate host, the Surinam cockroach, or through exposure to other infected birds. Once ingested, the worm larvae migrate to the eye tissues and mature into adult eye worms, causing irritation and discomfort.
To remove eye worms from a chicken's eye, you can follow these steps:
- Flush the eye with sterile saline or eye wash: Use a gentle stream of saline solution or eye wash to flush out any debris, foreign bodies, or pus from the chicken's eye. You can use a Q-tip or sterile cotton swab to gently clean the eye, being very careful not to apply pressure directly on the eye itself.
- Apply veterinary ointment or gel: After thoroughly cleaning the eye, you can apply a veterinary eye ointment or gel specifically designed for treating eye infections in chickens, such as Vetericyn Eye Gel or terramycin. Follow the instructions on the packaging for proper dosage and administration.
- Provide supportive care: During the treatment period, it is crucial to provide supportive care to the infected chicken. Ensure that the chicken has access to clean, fresh water at all times and offer a well-balanced diet rich in essential nutrients to support its overall health and strengthen its immune system.
- Minimize stress and isolate the infected chicken: Create a calm and stress-free environment by reducing loud noises, sudden disturbances, and overcrowding. Stress can impede the recovery process. Additionally, isolate the infected chicken from the rest of the flock to prevent the spread of eye worms to other birds.
- Maintain hygiene and sanitation: Regularly clean and disinfect the coop, nesting areas, and feeders to maintain optimal hygiene. Remove any debris and faeces, as they can attract the intermediate hosts of eye worms, such as cockroaches or beetles.
- Monitor for improvement: Keep a close eye on the chicken's condition and look for signs of improvement. If the eye worm infection persists or worsens, or if you are unsure about the diagnosis, consult a veterinarian specializing in poultry care for further advice and treatment options.
It is important to act quickly and seek veterinary advice if you suspect your chicken has eye worms, as left untreated, eye worm infections can lead to serious complications, including conjunctivitis, impaired vision, and even blindness.
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Identify and treat the underlying cause
A swollen eye in chickens can be caused by various underlying factors, and it is important to identify and address these to ensure the bird's health and prevent further issues. Here are some possible causes and their respective treatments:
Eye Infection:
Conjunctivitis, an inflammation of the cornea and conjunctiva, can be caused by bacteria, dirt, abrasions, or wounds. It is characterised by a cloudy appearance and possible discharge. While veterinarian assistance is recommended for severe cases, you can try cleaning the affected area gently with a soft, damp cloth and applying over-the-counter eye gels or saline solutions.
Foreign Bodies:
Sometimes, a foreign object may be lodged under the nictitating membrane or lower eyelid, causing irritation and swelling. If you suspect this, consult a veterinarian, who may examine the eye under general anaesthesia and flush it with saline solution to remove any foreign material.
Respiratory Infections:
Infectious coryza and avian metapneumovirus (AMPV) are respiratory diseases that can cause eye swelling. Infectious coryza is characterised by facial swelling, nasal and eye discharge, coughing, and sneezing. AMPV causes swelling of the periorbital and infraorbital sinuses. These infections often require veterinary attention and may be treated with antibiotics or other medications.
Eye Worms:
Oxyspiruriasis is an infection caused by the eyeworm Oxyspirura mansoni. This small white worm lodges in the corner of the chicken's eye, causing itchiness, pain, and scratching, and swelling. If left untreated, it can destroy the eye. Take the chicken to a veterinarian, who can treat the infection with ivermectin drops or by removing the worm.
Ammonia Toxicity:
Exposure to high levels of ammonia fumes, especially during winter when ventilation is reduced, can lead to ammonia toxicity. This results in conjunctivitis and eye inflammation. Reduce ammonia concentrations to below 25 ppm and improve ventilation to prevent further issues.
Mycoplasma:
Mycoplasma is a common pathogen that can cause various issues in chickens, including swollen eyelids and foamy eyes. While there is a vaccine available, it is not recommended for breeding chickens due to uncertainty about its effectiveness. Treatment options include Tylan Soluble and Baytril Oral, but these may not cure the disease completely. Quarantining new stock or treating them with Tylan Soluble can help prevent the spread.
Stress and Environmental Factors:
Stressors such as changes in the pecking order, nutritional deficiencies, and excessive environmental ammonia can contribute to eye issues. Reducing stressors, providing vitamin supplementation, and improving environmental conditions can help address these underlying factors.
Remember to always seek veterinary advice if you are unsure, and ensure that any medications are stored appropriately and used according to recommendations.
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