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Discussion on Mastitis in dry mare
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New Member:
elsa722
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Posted on Tuesday, Mar 25, 2008 - 9:51 pm:
My 16 yr old dry mare developed mastitis 2 wks ago-fever, swelling etc. Had recently come into strong heat when new gelding arrived. Vet Rx Sulfatrim for 2 days, I was able to milk her out on 2nd day (lumpy uck), Rx was changed to PenG,CH-Phen Dex injectable for 3 days. Improvement then seen. Also did teat injections of the product for cows, however I didn't realize there were 4 qtrs, so did one of the 2 infected twice, figured that out and did both again once. Now 2 weeks have passed, still swelling and can express quite a bit of clear fluid from both infected quarters. Should I be concerned? What should I expect?
thanks you-
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Moderator:
DrO
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Posted on Wednesday, Mar 26, 2008 - 8:03 am:
Hello Sharon,
It does seem like your treatment course a bit odd: changing away from the apparently effective and easy oral TMP-SMZ. As small as the teat canals are on horses my hat is off to you for the local therapy, that is tough. Swelling and clear fluid is OK if there is no fever, or local heat and pain. As long as there is residual swelling it should be watched however. This should gradually subside though some teats that develop mastitis stay chronically enlarged.
DrO
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Member:
elsa722
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Posted on Wednesday, Mar 26, 2008 - 7:23 pm:
Thank you - 1. when you say gradually reside - are we talking weeks?? 2. Is the liquid water or plasma and should it be tested or would another treatment help? 3. Why is it coming out? The first drug didn't do much, that is why we changed.
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Moderator:
DrO
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Posted on Thursday, Mar 27, 2008 - 7:05 am:
HMMM, because of the dependent nature of the teats, mastitis is always slow to appear to respond. But if you were able to milk her out on the second day (but not the first) it sounds like the antibiotic might have been working. Also until you do begin to remove the irritating exudate present when you first start you may not see much improvement either. But in any case if that was the way you assessed it that is fine.
I cannot predict how long it will take for the swelling to come out SharonEP but if the fluid is clear and there is no signs of fever heat or pain I don't think further testing is necessary. Considering the excretory function of the teat, I am uncertain what the exact composition of the clear fluid you are getting is. The inflammatory component would be expected to be thick yellow (serum) but this may activate the secretory cells to.
DrO
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