Can a dog relapse heart worm?

sethrameshJuly 24, 2010

I am trying to adapt a sweet dog. She had Heart worm 5 months ago and she has fully recovered since then. My question is: what is the possibility of relapse since she is already infected once. The doctor says she is fully cured a month ago. Any caution in terms of treatment that i should be aware of?


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Any dog you adopt can get heartworm if they aren't kept on preventive medications (Interceptor is one). Keep her on monthly meds and have her tested once a year just like any other dog.

    Bookmark   July 24, 2010 at 8:03PM
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Once heartworm treatment is complete, the current infection is cured. There may be some permanent heart and/or lung damage. Any dog not on heartworm prevention can become infected with heartworms, including those who have been infected before.

    Bookmark   July 25, 2010 at 8:23PM
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It's been about a year ago, but somebody posted a thread about a dog who tested negative she got at a shelter, and had been on preventative and retested and was found positive. I can't remember the context of it, but it was an extenuating circumstance and does anybody remember the meat of it?

I had a dog years ago who tested positive. He was a pound dog (not even shelter) and I was ignorant of it or preventatives at the time, so he had to be treated with arsenic. It was scary and also expensive. He survived, but some don't. I would not be afraid to adopt a dog who had been treated successfully as far as recurrence.

    Bookmark   July 26, 2010 at 4:14AM
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Dog has to be infected with heartworms for 6 months before test becomes positive. Once a non-protected dog is bitten by an infected mosquito, it takes 6 months for the immature larval stages to mature and migrate to the heart and start producing antigens that our test detects. If a dog got infected less than 6 months ago, the test will be negative and you won't know it had been infected until the next heartworm test.

    Bookmark   July 27, 2010 at 9:37PM
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Thank you all; I ended up adapting a different dog from the shelter. I have to take him now for neutering

    Bookmark   July 27, 2010 at 9:40PM
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Thank you meghane. Best wishes on your new buddy, Sethramesh.

    Bookmark   July 27, 2010 at 10:22PM
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