Tropical fish diseases can be caused by bacteria, fungus or by parasites. Commonly seen tropical fish diseases are Septicemia, Cotton Disease, Dropsy, Fin Rot, Ich, Swim bladder Infection, Pop Eye, Hole in the Head etc.
These diseases can be treated by Kanamycin Sulfate, Neomycin Sulfate, Pimafix, Melafix, Contrast, Fungistop, Waterlife Cuprazin, Waterlife Myxazin, Waterlife Protozin, Waterlife Sterazin. Parasitic infections can be treated by raising the tank temperature.