Cyanosis after Melarsomine (Immiticide) in dogs

188 reports to the FDA describe cyanosis in dogs given Melarsomine. That is 0.8% of all reports for this medicine, compared with 0.2% 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 cyanosis in dogs?

188 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 2 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).

Cyanosis with similar medicines

• Cyanosis after Diphenhydramine 55 reports · 1.2% of its reports
• Cyanosis after Butorphanol 89 reports · 2.0% of its reports
• Cyanosis after Propofol 114 reports · 3.7% of its reports
• Cyanosis after Isoflurane 61 reports · 2.2% of its reports
• Cyanosis after Atipamezole 42 reports · 1.6% of its reports
• Cyanosis after Famotidine 21 reports · 0.8% of its reports
• Cyanosis after Medetomidine 61 reports · 2.9% of its reports
• Cyanosis after Ketamine 37 reports · 2.0% of its reports
• Cyanosis after Acepromazine 40 reports · 2.3% of its reports
• Cyanosis after Furosemide 28 reports · 1.8% of its reports

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