Abnormal movement after Moxidectin (ProHeart 6) in dogs
24 reports to the FDA describe abnormal movement in dogs given Moxidectin. That is 0.0% of all reports for this medicine, compared with 0.1% across reports for all dog medicines, so it is reported less often than average with this medicine.
24Reports
83%Marked serious
17%Recovered
17%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).
Products with this ingredient include ProHeart 6, ProHeart 12. The FDA hides brand names in its public data, so these reports cover every product with the same active ingredients.
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 cause abnormal movement in dogs?
- 24 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).
Abnormal movement with similar medicines
- Abnormal movement after Ivermectin + Pyrantel (Heartgard Plus) 68 reports · 0.0% of its reports
- Abnormal movement after Milbemycin Oxime + Spinosad (Trifexis) 111 reports · 0.1% of its reports
- Abnormal movement after Milbemycin Oxime + Praziquantel (Interceptor Plus) 27 reports · 0.1% of its reports
All reported side effects of Moxidectin in dogs · Medicines most reported with abnormal movement