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01/19/2025
Stay alert
While at the Texas Pet Sitters Conference recently, we had the chance to hear from Dr. Roy Madigan, a veterinarian, and the principal scientist in the Canine Chagas Treatment Study.
We felt it imperative to share with our clients, and our community, the surprising information we learned.
Chagas disease is a parastic disease that is spread by kissing bugs. Similar to heartworm disease, animals can become infected with Chagas if they're bitten by, or ingest, a kissing bug.
The symptoms of Chagas can show up in a variety of ways. For less severe cases, lethargy, decreased appetite and weight loss may present. In more severe cases, you may see fluid in the abdomen, heart failure, vomiting, and unfortunately, sudden death.
Dr. Madigan estimates that up to 23% of companion dogs in Texas currently are positive for Chagas (compared to about 3.3% that are heartworm positive).
Chagas tends to attack the heart tissue, and is a progressive disease. The most common symptom seen when this happens is arrhythmia. It is also known to attack the brain.
Testing for Chagas is not common. The pet owner usually has to seek it out. There is currently a reliable test called "ELISA" that costs around $120.00. Dr. Madigan tells us that by next year, a new version will be available that will cost around $35.00 and will include a heartworm test. It will be readily available to all veterinary practices. They are currently awaiting approval from the FDA.
The treatment for Chagas is in a pill form and lasts for 12 months. Dr. Madigan reports that while it is 100% effective, it does not fix the harm that has already been done to the body by the parasite.
Our best defense against Chagas is preventative action. Pyrethroid insecticides will kill kissing bugs. Oral flea and tick medicine will kill Chagas.
If you see your pet with a kissing bug, do not squish the bug. Use a plastic baggie to capture it (don't touch it!) and contact https://kissingbug.tamu.edu/contact/ for instructions on how to submit it for testing.
It takes up to three weeks for a pet to test positive after exposure to Chagas, so don't immediately get your pet tested.
It is not only dogs who get Chagas. Cats also are affected. Chagas is the number one cause of seizures in cats.
Humans can also get Chagas. If your pet tests positive, every pet in the house should be tested, as well as all humans.
Antibodies are not effective at preventing reinfection, so a vaccine is not an option. Researchers are currently working to develop a slow-release injectible to protect pets.
Our takeaways:
*Chagas is impacting more pets than most people know. If your pet is showing unusual symptoms, ask your veterinarian to test them for Chagas. The sooner it is detected, the better off your pet will fare.
*Chagas is a treatable disease.
*Be aware of your enviroment. Keep your yard clean. Turn off outdoor lighting. Bring pets inside at night. Remove piles of rocks, leaves or wood near your home. Keep vegetation trimmed regularly. If you find a kissing bug, submit it for testing.
*If your pet tests positive for Chagas, test ALL your pets. Also, test all humans in the house.
For more information, please visit https://kissingbug.tamu.edu and www.vidapharmacal.com
