Its still there because this med will not help. Its a gram positive antibiotic and it has a very narrow spectrum of what it can actually treat. Jungle/Tetra fungus meds (its combo of antibiotics & antifungal) or treat with just a gram negative antibiotic such as Maracyn2 or Maracyn Plus (NOT regular maracyn which is erthromycin) or Kanaplex or Triple Sulfa/TMP Sulfa or Furan2. If you can handle him, you can apply a topical med such as methylene blue or Biobandage in addition to antibiotic.