Drug dose administration interval too long after Melarsomine (Immiticide) in dogs

42 reports to the FDA describe drug dose administration interval too long in dogs given Melarsomine. That is 0.2% of all reports for this medicine, compared with 0.3% across reports for all dog medicines, so it is reported less often than average with this medicine.

42Reports
98%Marked serious
4.8%Recovered
0.0%Died or euthanised
189 daysTypical onset
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How soon it started

Same day
0 0.0%
1–2 days
0 0.0%
3–7 days
0 0.0%
1–4 weeks
1 5.6%
Over a month
17 94%

How the animals did

Recovered with lasting effects
2 4.8%
Still unwell when reported
32 76%
Not known
8 19%

Problems reported at the same time

Age of the animals

Under 1 year
0
1–3 years
13
4–7 years
21
8–11 years
7
12+ years
0

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 drug dose administration interval too long 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 189 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 administration interval too long with similar medicines

All reported side effects of Melarsomine in dogs · Medicines most reported with drug dose administration interval too long