Vomiting after Melarsomine (Immiticide) in dogs

2,919 reports to the FDA describe vomiting in dogs given Melarsomine. That is 13% of all reports for this medicine, compared with 28% across reports for all dog medicines, so it is reported less often than average with this medicine.

2,919Reports
42%Marked serious
14%Recovered
7.7%Died or euthanised
5 daysTypical onset
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How soon it started

Same day
574 33%
1–2 days
177 10%
3–7 days
223 13%
1–4 weeks
333 19%
Over a month
407 24%

How the animals did

Recovered
413 14%
Recovered with lasting effects
9 0.3%
Still unwell when reported
721 25%
Died
190 6.5%
Euthanised
35 1.2%
Not known
1,551 53%

Problems reported at the same time

Age of the animals

Under 1 year
23
1–3 years
1,363
4–7 years
1,033
8–11 years
362
12+ years
43

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 vomiting in dogs?
2,919 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 5 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).

Vomiting with similar medicines

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