What Is Cuterebra and How to Treat It in Cats

by beaconpet
All About Cuterebra in Cats

Are you familiar with the parasitic infection called Cuterebra that can affect cats? It may sound like something out of a science fiction movie, but this condition is a reality for many feline companions. Cuterebra is caused by the larvae of a botfly, which can live under a cat’s skin until it’s ready to complete its life cycle. These larvae, also known as “warbles,” typically enter a cat’s body through open wounds, the mouth, or nose. While cats are not the preferred hosts for Cuterebra, they can still become inadvertently infected. In this article, let’s explore what Cuterebra is, its signs and symptoms in cats, and how to treat and prevent this parasitic infection with BeaConpet.

What Is Cuterebra?

What Is Cuterebra in Cats

Description of Cuterebra

Cuterebra is the scientific name for a type of botfly that causes a parasitic infection called cuterebriasis. These large flies lay their eggs near the nests and burrows of small mammals like rodents and rabbits. When a host animal passes by, the eggs attach to their fur and hatch in response to the animal’s body heat. The newly hatched larvae then enter the animal’s body through the mouth or nose during grooming or through open wounds on the skin. These larvae migrate and incubate in the host’s body, obtaining oxygen through a small breathing pore on the skin. After about 30 days, the larvae mature and fall off the host to pupate in the soil, eventually developing into adult flies.

Also read about:  How to Care for an Open Wound on Your Dog

How Cuterebra Infects Cats

Cats are not ideal hosts for Cuterebra, but they can become inadvertently infected after coming into contact with botfly eggs. The eggs can be found in outdoor environments, particularly in areas where small wild animals frequent. When a cat walks near these areas, the eggs can attach themselves to the cat’s fur. From there, the eggs can hatch and the larvae can enter the cat’s body. The larvae typically migrate to the head and neck area, although they can also be found in other parts of the body. If left untreated, the larvae can cause swelling and potential complications.

Signs of Cuterebra in Cats

Signs of Cuterebra in Cats

Appearance of Cuterebra Lesions

One of the visible signs of cuterebriasis in cats is the appearance of cuterebra lesions, also known as “warbles.” These lesions typically present as swollen areas under the cat’s skin with a small hole in the center. While they are commonly seen near the head and neck, they can appear anywhere on the body. The presence of these lesions may not initially cause pain to the cat, but they can be bothersome and cause increased grooming. In rare cases, the larvae can migrate to delicate tissues, such as the nasal cavities, head, brain, eyelids, and pharynx, leading to more severe symptoms like seizures, circling, unusual behavior, and blindness.

Potential Complications

If left untreated, cuterebra larvae can cause complications. For instance, these larvae can migrate to the central nervous system, resulting in a condition known as feline ischemic encephalopathy. This neurological condition can lead to seizures, circling, unusual behavior, and blindness in cats. Additionally, the presence of the larvae can cause discomfort and irritation to the cat, and in some cases, secondary bacterial infections may occur in the skin lesions. It’s important to monitor your cat for any signs of swelling or unusual behavior and seek veterinary care if necessary.

Also read about:  The Benefits of Having a Cat Tree

Causes of Cuterebra in Cats

Causes of Cuterebra in Cats

Outdoor Cats and Their Exposure to Cuterebra

Outdoor cats have a greater risk of being exposed to cuterebra larvae compared to indoor cats. This is because outdoor cats have more opportunities to come into contact with the botfly eggs in the environment. Outdoor cats often hunt small mammals that may be infested with cuterebra larvae, increasing their chances of being inadvertently infected. Keeping your cat indoors can significantly reduce their risk of exposure to cuterebra and other potential dangers in the outdoor environment.

Seasonal Infestations

Cuterebra infestations in cats are more common during the summer and fall seasons in North America. These seasons provide favorable conditions for botflies to lay their eggs and for the larvae to mature. It’s important to be particularly vigilant during these seasons and regularly check your cat for any signs of cuterebra lesions. By keeping track of the seasonal patterns, you can take proactive measures to protect your cat from these parasitic infections.

Treatment for Cuterebra

Treatment for Cuterebra

Removal of Cuterebra Larvae

The primary treatment for cuterebriasis in cats involves the removal of the cuterebra larvae from the body. To ensure proper removal, it is often necessary to sedate the cat. The veterinarian will locate the breathing hole of the larva and enlarge it before gently extracting the larva with forceps. It may be helpful to apply petroleum jelly to the breathing hole prior to removal. The wound is then cleaned and flushed, and any unhealthy tissue is trimmed away to promote healing. In some cases, the affected cat may require treatment with antibiotics to prevent or address any secondary bacterial infections. Pain medication and anti-inflammatory drugs may also be prescribed to provide comfort if the wound is inflamed or irritated.

Also read about:  Why is My Cat Coughing After Drinking Water?

Wound Care and Medication

After the removal of the cuterebra larvae, proper wound care is crucial for the cat’s recovery. The wound should be kept clean and monitored for any signs of infection. Your veterinarian may provide specific instructions on wound care, such as the use of topical medications or antibiotics. It’s important to follow these instructions carefully to ensure the wound heals properly. In some cases, an Elizabethan collar (also known as the “cone of shame”) may be necessary to prevent the cat from grooming the affected area and potentially disrupting the healing process.

Prevention of Cuterebra

Prevention of Cuterebra

Keeping Cats Indoors

The best way to prevent cuterebra infections in cats is to keep them indoors at all times. By limiting their exposure to outdoor environments, you can greatly reduce the risk of them coming into contact with botfly eggs. Indoor cats are less likely to encounter small mammals and their burrows, where the eggs of cuterebra are commonly found. Additionally, keeping cats indoors can protect them from other potential hazards, such as traffic accidents, fights with other animals, and exposure to infectious diseases.

Regular Checks and Veterinary Care

Even if your cat is strictly indoors, it’s still important to regularly check them for any signs of cuterebra lesions or other health issues. Routine grooming sessions can provide an opportunity to examine your cat’s skin and fur for any abnormalities. If you notice any swelling, lumps, or changes in behavior, it’s best to consult with your veterinarian as soon as possible. Regular veterinary check-ups are also essential for ensuring your cat’s overall health and well-being. A veterinarian can provide preventive measures, such as vaccinations and parasite control, to further safeguard your cat against various diseases and infections.

You may also like


About Us

At BEACONPET, we understand the importance of keeping your pets entertained and engaged. That’s why our blog serves as a comprehensive resource, offering a wide range of articles and guides on various topics related to pet toys.


Whether you’re searching for the best interactive toys for your canine friend or looking for creative DIY toy ideas for your feline companion, our blog has got you covered.


Subscribe my Newsletter for new blog posts, tips & new photos. Let's stay updated!

@2023 BEACON PET – Privacy Policy – Amazon Associates Program Beaconpet.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.