Didn't prevent heartworm after Febantel + Praziquantel + Pyrantel (Drontal Plus) in dogs
42 reports to the FDA describe didn't prevent heartworm in dogs given Febantel + Praziquantel + Pyrantel. That is 0.6% of all reports for this medicine, compared with 13% across reports for all dog medicines, so it is reported less often than average with this medicine.
42Reports
17%Marked serious
4.8%Recovered
0.0%Died or euthanised
106 daysTypical onset
How soon it started
How the animals did
Problems reported at the same time
Age of the animals
About this medicine
Febantel treats intestinal worms. Praziquantel treats tapeworms. Pyrantel treats roundworms and hookworms.
Products with this combination include Drontal Plus. The FDA hides brand names in its public data, so these reports cover every product with the same active ingredients.
Questions owners ask
- Can Febantel + Praziquantel + Pyrantel cause didn't prevent heartworm in dogs?
- 42 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 106 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).
Didn't prevent heartworm with similar medicines
- Didn't prevent heartworm after Pyrantel + Sarolaner (Simparica Trio) 5,803 reports · 11% of its reports
- Didn't prevent heartworm after Fenbendazole 65 reports · 1.1% of its reports
- Didn't prevent heartworm after Pyrantel 79 reports · 1.7% of its reports
- Didn't prevent heartworm after Praziquantel + Pyrantel 26 reports · 0.7% of its reports
All reported side effects of Febantel + Praziquantel + Pyrantel in dogs · Medicines most reported with didn't prevent heartworm
