My Oscar fish has a head hole. Is it hole in the head? What to do?

Question

hello my oscar is having a small hole .. like start stage .. what should i do?

Dr. Massimo Orioles, DVM, Cert AVP, MRCVS · Accepted Answer

This could be due to an ''hole in the head'' disease. Hole in the head disease is a fairly common disease of freshwater fish that primarily affects cichlids, discus, and oscars. Another common name for this disease is Freshwater Head and Lateral Line Erosion (FHLLE). The exact cause of hole in the head fish disease has yet to be determined, but strong suspicion in terms of causes are parasite (Hexamita or Spironucleus infestation) or nutritional imbalances. Water quality must be checked and any abnormality corrected first. The treatment usually consists of taking a multi-faceted approach and includes includes the addition of the antibiotic metronidazole to the treatment tank housing the infected fish and making sure feeding is adequate. In cases where secondary bacterial infections are present, additional antibiotics such as Maracyn, Kanacyn, or Furan may be needed. When treating this or any disease, try to use a separate treatment tank and treat as soon as the first symptoms appear.

My Oscar fish has a head hole. Is it hole in the head? What to do?

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