Skin sore after Milbemycin Oxime + Praziquantel (Interceptor Plus) in dogs
The FDA has received 33 reports of skin sore in dogs after Milbemycin Oxime + Praziquantel. That is 0.1% of all reports for this medicine, compared with 0.1% across reports for all dog medicines.
33Reports
18%Marked serious
12%Recovered
0.0%Died or euthanised
14 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). Praziquantel treats tapeworms.
Products with this combination include Interceptor Plus. 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 + Praziquantel cause skin sore in dogs?
- 33 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 14 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).
Skin sore with similar medicines
- Skin sore after Ivermectin + Pyrantel (Heartgard Plus) 84 reports · 0.1% of its reports
- Skin sore after Milbemycin Oxime + Spinosad (Trifexis) 187 reports · 0.1% of its reports
- Skin sore after Moxidectin (ProHeart 6) 21 reports · 0.0% of its reports
- Skin sore after Selamectin (Revolution) 47 reports · 0.2% of its reports
All reported side effects of Milbemycin Oxime + Praziquantel in dogs · Medicines most reported with skin sore