DIROBAN (melarsomine dihydrochloride) Brand Logo

A heartworm-positive diagnosis is upsetting news, but we're here to help. Along with guidance from your veterinarian, we’ll provide the information and support you’ll need to get through this—together.

Melarsomine dihydrochloride, the active ingredient in DIROBAN®, is the recommended treatment therapy for heartworm disease in dogs.1 A veterinary trusted source, DIROBAN helps dogs return back to their normal lives as soon as possible.