Melarsomine (Immiticide) side effects in dogs
22,672 reports sent to the FDA between 1995 and 2026 involve Melarsomine in dogs. The most reported problems were swelling, injection site reaction, vomiting. 41% were marked serious, and where it was recorded, signs eased after stopping the medicine in 22% of cases.
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.
Most reported side effects
Share = percentage of this medicine's reports that mention the problem. One report can list several problems.
Reports that it didn't work
Some reports are about the medicine not working (for example a dog still getting fleas or heartworm), not about a side effect.
How soon problems started
Time from the first dose to the first sign, where both dates were reported (11,467 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Labrador Retriever 2,372 reports
- German Shepherd Dog 1,064 reports
- Beagle 816 reports
- Boxer (german Boxer) 638 reports
- Golden Retriever 637 reports
- Pit Bull 554 reports
- Chihuahua 510 reports
- Rottweiler 505 reports
- Dog (other) 494 reports
- Dachshund 328 reports