Drug dose omission after Lufenuron + Milbemycin Oxime + Praziquantel (Sentinel Spectrum) in dogs

233 reports to the FDA describe drug dose omission in dogs given Lufenuron + Milbemycin Oxime + Praziquantel. That is 2.3% of all reports for this medicine, compared with 0.4% across reports for all dog medicines, so it is reported unusually often with this medicine.

233Reports
61%Marked serious
6.4%Recovered
0.9%Died or euthanised
242 daysTypical onset
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How soon it started

Same day
5 9.6%
1–2 days
1 1.9%
3–7 days
1 1.9%
1–4 weeks
0 0.0%
Over a month
45 87%

How the animals did

Recovered
14 6.0%
Recovered with lasting effects
1 0.4%
Still unwell when reported
138 59%
Euthanised
2 0.9%
Not known
78 33%

Problems reported at the same time

Age of the animals

Under 1 year
10
1–3 years
100
4–7 years
77
8–11 years
37
12+ years
7

About this medicine

Lufenuron stops flea eggs from developing. Milbemycin Oxime prevents heartworm and controls some intestinal worms (monthly). Praziquantel treats tapeworms.

Products with this combination include Sentinel Spectrum. The FDA hides brand names in its public data, so these reports cover every product with the same active ingredients.

Questions owners ask

Can Lufenuron + Milbemycin Oxime + Praziquantel cause drug dose omission in dogs?
233 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 242 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).

Drug dose omission with similar medicines

All reported side effects of Lufenuron + Milbemycin Oxime + Praziquantel in dogs · Medicines most reported with drug dose omission