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Roger L. Welton, DVM
Roger L. Welton, DVM, Veterinarian
Category: Dog
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Experience:  Licensed Veterinarian, Practice Owner, and Book Author
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my dog has diarhoea: I am a doctor: what dosage of lomotil

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my dog has diarhoea: I am a doctor: what dosage of lomotil can I give him?
Many thanks!
mary Hoptroff

Hello Dr. Mary:


You can try lomotil, as it is an effective anti-diarrheal agent in dogs. As I am sure you know, it is a symptomatic therapy, so while it will likely help, it may mask an underlying issue that may make it temporary.


As such, I would try dosing it, but also focus on Luca's gut as well by feeding an easily absorbable and digestible diet. Specifically, I would feed her boiled chicken and rice, served at a ration of 3 parts rice to one part chicken, served luke warm twice daily until you see the first normal stool...after this point, I would advise mixing the chicken and rice with Luca's dog food and wean her back to it gradually over a few days.


The dose of Lomotil in dogs is 0.15 mg/kg, administered up to 2 times daily by mouth as needed. I would not use it for more than 3 days.


If the diarrhea continues unabated or quickly relapses after you take Luca off Lomotil, then there may be some underlying mitigating factor such as an intestinal parasite, a common occurrence in dogs. In that case, i would get Luca to a vet with a stool sample in hand.


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