Fur loss around a rabbit’s eyes is almost always caused by moisture, irritation, or infection in and around the eye area. The most common culprit is chronic tearing, where tears spill over onto the face and gradually damage the skin and fur underneath. This can stem from something as simple as a dusty environment or as serious as dental disease pushing into the tear duct. Understanding the specific pattern and accompanying symptoms will help you identify what’s going on.
Dental Disease Is the Most Common Cause
Rabbit teeth grow continuously throughout their lives, and when the roots of the upper teeth become overgrown, they can press against the tear duct that runs just behind them. The tip of the upper incisor root sits remarkably close to this duct, and even slight elongation or inflammation can partially or completely block it.
When the duct is blocked, the tear gland keeps producing tears, but instead of draining down through the duct as they normally would, the tears spill out over the face. You’ll notice the corners of the eyes looking perpetually wet, or you might see a crusty white buildup, which is dried salt and mucus from the overflow. Over time, this constant moisture breaks down the skin and fur around the eye, a process sometimes called “tear scald.” Bacteria can also colonize the blocked duct, producing thick white or yellowish pus and making the problem worse.
Dental disease is especially likely if your rabbit is over two years old, has stopped eating hard hay, is drooling, or has developed lumps along the jawline. A vet can confirm it with skull X-rays that show whether the tooth roots have grown into abnormal positions.
Bacterial and Tear Duct Infections
Even without dental problems, the tear duct itself can become infected. Pasteurella, a bacterium that many rabbits carry without symptoms, is one of the most frequent causes of tear duct inflammation, conjunctivitis, and persistent eye discharge. Staphylococcus infections can also cause inflamed, crusty eyelids (blepharitis), sometimes accompanied by corneal ulcers.
With a bacterial infection, the discharge tends to be thicker and more yellow or green compared to the clear, watery overflow of a simple blockage. The skin around the eye may look red, swollen, or raw. If both eyes are affected, a systemic infection like Pasteurella is more likely. If only one eye is involved, a localized blockage or foreign body is a stronger possibility.
Ringworm and Other Skin Conditions
Ringworm, a fungal infection, is common in rabbits and typically starts on the head before spreading elsewhere. It creates patchy areas of hair loss that look dry, flaky, and sometimes red. Importantly, ringworm patches are usually not itchy, which helps distinguish them from mites or allergic reactions. The edges of the bald patch tend to be well-defined and may have a slightly raised, scaly border.
Ringworm is contagious to other animals and to humans, so if the fur loss around your rabbit’s eye looks more scaly than wet, and there’s no obvious discharge, a fungal culture at the vet is worth doing. Fur mites (Cheyletiella) can also cause flaky skin and hair loss on the face, though they more commonly affect the back and neck first.
Environmental Irritants
Sometimes the problem isn’t disease at all but something in your rabbit’s environment. High ammonia levels from urine-soaked bedding, dusty hay, and certain wood shavings (particularly softwood types like cedar or untreated pine) can all irritate the eyes. Chronic irritation leads to tearing, and chronic tearing leads to fur loss through the same moisture-damage cycle.
Foreign bodies like stray hay seeds or bedding particles can also lodge under the eyelid, causing one-sided tearing and squinting. If the fur loss appeared suddenly and your rabbit is pawing at one eye or holding it partially shut, a foreign body is a strong possibility.
How Tear Scald Damages the Fur
Regardless of the original cause, the mechanism of fur loss is often the same. Tears contain salts and enzymes that, when sitting on skin for extended periods, break down the protective outer layer. The skin becomes inflamed, red, and sometimes ulcerated. Fur follicles in the affected area stop producing hair, and existing fur falls out or mats together. Secondary bacterial infections can then take hold in the damaged skin, creating a cycle where the irritation causes more tearing, which causes more skin damage.
This is why even mild, ongoing eye discharge shouldn’t be ignored. What starts as slightly damp fur can progress to raw, painful skin over a few weeks.
What a Vet Visit Looks Like
A rabbit-savvy vet will typically start by examining the teeth and jaw, since dental disease drives so many eye problems in rabbits. Skull X-rays can reveal elongated tooth roots that aren’t visible from outside the mouth. The vet may also use an orange dye called fluorescein, which glows green under blue light and reveals corneal scratches, ulcers, or blocked tear ducts that wouldn’t otherwise be visible.
If the tear duct is blocked, the most common treatment is a nasolacrimal duct flush. This is a straightforward procedure where a small amount of sterile saline (typically about 3 mL) is gently pushed through the duct to clear debris, dried pus, or mucus. The flush itself is both diagnostic and therapeutic: it tells the vet whether the duct is partially or fully obstructed, and it often provides immediate relief by restoring normal drainage. Many rabbits need repeat flushes over several weeks, especially if dental disease is the underlying cause.
For bacterial infections, your vet will likely prescribe antibiotic eye drops. Fungal infections are treated with topical or oral antifungal medication. If dental disease is the root problem, tooth trimming or extraction may be necessary to prevent the issue from recurring.
Keeping the Area Clean at Home
While waiting for a vet appointment or between treatments, gently cleaning the area can prevent the skin from deteriorating further. Use warm saline solution (one teaspoon of salt per liter of water, which matches the natural concentration of tears) on a soft cloth or cotton pad. Hold the damp cloth against any crusty buildup for a few seconds to soften it before wiping. Never pull dried discharge off, as this can tear the delicate skin underneath.
Keep your rabbit’s bedding clean and dry, and switch to a low-dust hay if you notice your rabbit sneezing or tearing up during feeding. Paper-based bedding tends to produce less irritating dust than wood shavings.
Signs That Need Urgent Attention
Most causes of periocular fur loss are treatable, but certain signs point to more serious problems. A bulging eye can indicate a retrobulbar abscess, where infection has built up behind the eyeball and is pushing it forward. You might also notice the third eyelid (a pinkish membrane in the inner corner) protruding, or your rabbit may be unable to close the affected eye fully. Other red flags include cloudiness in the eye itself, blood visible in or around the eye, rapid flickering eye movements, or any sign that your rabbit is in pain, such as grinding teeth, hunching, or refusing food. These situations can lead to permanent vision loss if not treated quickly.