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Heartworm Fast Facts

  1. All dogs should be tested annually for heartworm infection and this can usually be done during a routine visit to your vet.
  2. All dogs are at risk for contracting heartworms, even “inside dogs.”
  3. Heartworms have been found in all 50 states, although Southern areas have a higher risk of heartworm than others.
  4. At this time, there is not a commercially available vaccine for the prevention of heartworm disease in dogs or cats.
  5. As many as 250 worms can live in a dog’s system.
  6. Treating heartworms is 15x MORE EXPENSIVE than preventing it.
  7. In the early stages of the disease, many dogs show few or no symptoms at all.
  8. Heartworm medications are highly effective, but sometimes dogs can still become infected. If you miss just one dose of a monthly medication—or give it late—it can leave your dog unprotected.
  9. The risk of puppies getting heartworm disease is equal to that of adult pets.
  10. Most heartworm preventatives also give your dog extra protection against other parasites such as fleas, roundworms, and hookworms.



Benji is a shaggy little Wire-haired Terrier who loves kids to death.As cute as Benji is, he was passed over by adopters simply because he had heartworms. Most people will walk past and be fearful of the responsibility they think comes with a heartworm positive dog. If left untreated, dogs can experience heart failure and severe health issues due to heartworms…

However, heartworm positive dogs ARE ADOPTABLE and TREATABLE. Benji is a great example! After being in foster care for two months he BTHO Heartworms and was adopted.

Today, he’s living a great life with his human family! We are so happy for Benji!

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Jodi came to Aggieland Humane Society in December 2017. Her initial medical evaluation showed she was a calm dog with a sweet temperament. We also discovered she was heartworm positive. Jodi was sent to a loving foster home, where she received life-saving treatment and spent her 30 day recovery period in a healing environment. She was retested for heartworms in March revealing she had BTHO Heartworm parasites and has a full life ahead of her! The treatment was a success!

A young woman saw Jodi’s picture on Facebook and immediately fell in love. She came in the next day with her daughter to meet Jodi. They had been dog-less for a few years after their beloved pet passed away leaving a void in their hearts. The family missed having a companion. Jodi would be a perfect match!

Follow Jodi’s daily adventures on her personal Instagram page @sweetjodigirl and see the exciting life she is leading! 

Jodi BTHO Heartworms because donors just like you cared about pets in need and gave to Tahoka’s Medical Rescue Fund. These gifts directly impact the quality of the lives of the pets who find their way to Aggieland Humane. There are many dogs in our community that have heartworms just like Jodi did. Treating them with the right medication and care in a timely manner is the only way to rescue them. They need YOU to be their hero! Furry friends with heartworms can’t wait…Give now and help other pets BTHO Heartworms too!


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Meet some of our currently available and heartworm positive dogs!