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Discussion on Onchocerciasis or something else?
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Member:
Skappes
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Posted on Saturday, Jun 12, 2004 - 10:40 am:
Dr. O.,
I have an 11 yr old mare that has swelling on her belly near the flank with oozing serum coming from it. Her back legs are stocked up some. She also did this last Fall and I had my vet look at her but she had no idea what it was. I gave her antibiotics (TMS) and it went away after about a week. I am wondering if it is a reaction to Onchocerciasis or if it is something else. I dewormed her about 14 days ago with EquiMax but don't remember if I had recently dewormed her before last year's episode. Six years ago after I bought her this mare did have a rather strong reaction after I dewormed her the first time with ivermectin to what the vet said was "hebronema". That started with a mild swelling on her neck that eventually spread to about an 8 inch area that was pussy and rather gross. That reaction had hard nodules where the parasites were actually killed off. This reaction is just swelling with oozing. Prior to this episodes and the one last Fall I have never noticed her doing this after deworming, which I do every 2 months. Should I just put her on a more regular ivermectin deworming schedule or could this be something else?
Thanks,
Sandie
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Moderator:
DrO
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Posted on Sunday, Jun 13, 2004 - 6:01 am:
Hello Sandra,
Not knowing your deworming schedule or the local parasite conditions I am not sure what is going on. Ventral midline swelling is the classic onchocerca reaction to an ivermectin deworming but right now where I am fly bites are the number one cause.
However if evertime you deworm witn a ivermectin or moxidectin product you get a reaction do to built up parasite load, sounds like this should be done more often to prevent the load from getting so high.
DrO
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