Pain after Melarsomine (Immiticide) in dogs

The FDA has received 1,286 reports of pain in dogs after Melarsomine. That is 5.7% of all reports for this medicine, compared with 0.7% across reports for all dog medicines, so it is reported unusually often with this medicine.

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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 pain in dogs?

1,286 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).

Pain with similar medicines

• Pain after Polysulfated Glycosaminoglycan 157 reports · 2.9% of its reports
• Pain after Diphenhydramine 173 reports · 3.7% of its reports
• Pain after Butorphanol 190 reports · 4.3% of its reports
• Pain after Cefpodoxime 91 reports · 2.2% of its reports
• Pain after Tramadol 159 reports · 4.2% of its reports
• Pain after Florfenicol + Mometasone + Terbinafine 70 reports · 2.0% of its reports
• Pain after Desoxycorticosterone Pivalate 31 reports · 0.9% of its reports
• Pain after Propofol 74 reports · 2.4% of its reports
• Pain after Isoflurane 63 reports · 2.3% of its reports
• Pain after Cephalexin 35 reports · 1.3% of its reports

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