Death after Melarsomine (Immiticide) in dogs

1,270 reports to the FDA describe death in dogs given Melarsomine. That is 5.6% of all reports for this medicine, compared with 5.2% across reports for all dog medicines.

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How soon it started

How the animals did

Problems reported at the same time

Age of the animals

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 death in dogs?

1,270 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 7 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).

Death with similar medicines

• Death after Polysulfated Glycosaminoglycan 567 reports · 10% of its reports
• Death after Diphenhydramine 455 reports · 9.6% of its reports
• Death after Butorphanol 718 reports · 16% of its reports
• Death after Cefpodoxime 427 reports · 11% of its reports
• Death after Tramadol 636 reports · 17% of its reports
• Death after Florfenicol + Mometasone + Terbinafine 160 reports · 4.5% of its reports
• Death after Desoxycorticosterone Pivalate 289 reports · 8.7% of its reports
• Death after Propofol 637 reports · 21% of its reports
• Death after Dirlotapide 126 reports · 4.5% of its reports
• Death after Isoflurane 534 reports · 19% of its reports

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