Diarrhea after Moxidectin + Praziquantel in horses
37 reports to the FDA describe diarrhea in horses given Moxidectin + Praziquantel. That is 9.9% of all reports for this medicine, compared with 4.9% across reports for all horse medicines, so it is reported unusually often with this medicine.
37Reports
14%Marked serious
41%Recovered
8.1%Died or euthanised
1 daysTypical onset
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How soon it started
How the animals did
Problems reported at the same time
Age of the animals
About this medicine
Moxidectin prevents heartworm disease (monthly topical, or a 6- or 12-month injection for dogs). Praziquantel treats tapeworms.
Some herding breeds (for example Collies) carry the MDR1 gene variant and can be more sensitive to this drug class at high doses.
Questions owners ask
- Can Moxidectin + Praziquantel cause diarrhea in horses?
- 37 reports link the two, but a report alone does not prove the medicine was the cause: other illnesses, other medicines or coincidence can be involved. Your vet can judge it for your animal.
- How soon after a dose was it reported?
- In half of the reports with dates, it started within 1 day of the first dose.
- What should I do?
- Don't give another dose until you've spoken to your vet, and keep the packaging so you can tell them the product and dose. Your vet can also report it to the FDA (or you can, through the manufacturer or FDA form 1932a).
Diarrhea with similar medicines
- Diarrhea after Ivermectin + Praziquantel 122 reports · 4.6% of its reports
- Diarrhea after Moxidectin (ProHeart 6) 76 reports · 5.6% of its reports
- Diarrhea after Ivermectin (Heartgard) 52 reports · 7.5% of its reports
All reported side effects of Moxidectin + Praziquantel in horses · Medicines most reported with diarrhea