Nausea after Melarsomine (Immiticide) in dogs

111 reports to the FDA describe nausea in dogs given Melarsomine. That is 0.5% of all reports for this medicine, compared with 0.4% across reports for all dog medicines.

111Reports
54%Marked serious
18%Recovered
4.5%Died or euthanised
Same dayTypical onset
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How soon it started

Same day
44 53%
1–2 days
5 6.0%
3–7 days
1 1.2%
1–4 weeks
15 18%
Over a month
18 22%

How the animals did

Recovered
20 18%
Still unwell when reported
29 26%
Died
3 2.7%
Euthanised
2 1.8%
Not known
57 51%

Problems reported at the same time

Age of the animals

Under 1 year
2
1–3 years
51
4–7 years
34
8–11 years
19
12+ years
1

About this medicine

Melarsomine treats adult heartworm infection (a series of injections given by a vet).

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

Questions owners ask

Can Melarsomine cause nausea in dogs?
111 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 the same 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).

Nausea with similar medicines

All reported side effects of Melarsomine in dogs · Medicines most reported with nausea