Loss of appetite after Milbemycin Oxime (Interceptor) in dogs
The FDA has received 1,485 reports of loss of appetite in dogs after Milbemycin Oxime. That is 5.0% of all reports for this medicine, compared with 8.4% across reports for all dog medicines, so it is reported less often than average with this medicine.
1,485Reports
18%Marked serious
10%Recovered
12%Died or euthanised
3 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
Milbemycin Oxime prevents heartworm and controls some intestinal worms (monthly).
Products with this ingredient include Interceptor. 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 Milbemycin Oxime cause loss of appetite in dogs?
- 1,485 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 3 days 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).
Loss of appetite with similar medicines
- Loss of appetite after Ivermectin + Pyrantel (Heartgard Plus) 4,658 reports · 3.2% of its reports
- Loss of appetite after Milbemycin Oxime + Spinosad (Trifexis) 7,925 reports · 6.1% of its reports
- Loss of appetite after Moxidectin (ProHeart 6) 3,491 reports · 6.9% of its reports
- Loss of appetite after Milbemycin Oxime + Praziquantel (Interceptor Plus) 1,598 reports · 5.1% of its reports
- Loss of appetite after Selamectin (Revolution) 1,842 reports · 6.3% of its reports
- Loss of appetite after Ivermectin (Heartgard) 806 reports · 6.7% of its reports
- Loss of appetite after Ivermectin + Praziquantel + Pyrantel (Iverhart Max) 387 reports · 4.5% of its reports
- Loss of appetite after Moxidectin + Pyrantel + Sarolaner (Simparica Trio) 111 reports · 9.6% of its reports
All reported side effects of Milbemycin Oxime in dogs · Medicines most reported with loss of appetite