{"product_id":"fish-zole-metronidazole-250mg-500mg-tablets","title":"Fish Zole Metronidazole Fish Treatment – 250mg \u0026 500mg, 60 Tablets","description":"\u003cdiv class=\"product-description\"\u003e\n\n  \u003cp\u003e\u003cstrong\u003eFish Zole Metronidazole\u003c\/strong\u003e is a powerful, dual-action aquarium medication used to fight \u003cstrong\u003einternal protozoan parasites and susceptible anaerobic bacterial infections\u003c\/strong\u003e in ornamental fish. Available in \u003cstrong\u003e250mg and 500mg strengths\u003c\/strong\u003e, each bottle contains 60 metronidazole tablets.\u003c\/p\u003e\n\n  \u003cp\u003eFish Zole is especially valuable for difficult internal conditions such as \u003cstrong\u003eHexamita, Spironucleus, hole-in-the-head disease, intestinal protozoan infections, cichlid bloat and anaerobic bacterial infections\u003c\/strong\u003e.\u003c\/p\u003e\n\n  \u003cp\u003eUnlike standard fish antibiotics that only target bacteria, metronidazole provides both \u003cstrong\u003eantiprotozoal and antibacterial activity\u003c\/strong\u003e. This makes Fish Zole an essential aquarium treatment when fish show signs of internal parasites, intestinal infection or hole-in-the-head disease.\u003c\/p\u003e\n\n  \u003ch2\u003eWhat Does Fish Zole Treat?\u003c\/h2\u003e\n\n  \u003cp\u003eFish Zole is designed to treat diseases caused by susceptible protozoan organisms and anaerobic bacteria. It is commonly selected for:\u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003e\u003cstrong\u003eHexamita infections\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eSpironucleus infections\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eHole-in-the-head disease\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eHead and lateral line erosion associated with protozoa\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eInternal flagellate parasites\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eIntestinal protozoan infections\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eCichlid bloat associated with susceptible protozoa or anaerobic bacteria\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eMalawi bloat associated with internal infection\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eAnaerobic bacterial infections\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eInternal digestive infections\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eExternal protozoan infections susceptible to metronidazole\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eSecondary anaerobic infections in damaged tissue\u003c\/strong\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eCommon Signs of Internal Parasites and Protozoan Infections\u003c\/h2\u003e\n\n  \u003cp\u003eInternal protozoan infections can progressively weaken aquarium fish and may become difficult to reverse when treatment is delayed. Fish Zole may be appropriate when fish show symptoms consistent with Hexamita, Spironucleus or another susceptible internal infection, including:\u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003eWhite, pale or stringy feces\u003c\/li\u003e\n    \u003cli\u003eLoss of appetite or refusal to eat\u003c\/li\u003e\n    \u003cli\u003eProgressive weight loss despite available food\u003c\/li\u003e\n    \u003cli\u003eSunken abdomen or pinched appearance\u003c\/li\u003e\n    \u003cli\u003eAbdominal swelling or bloating\u003c\/li\u003e\n    \u003cli\u003eDarkened coloration\u003c\/li\u003e\n    \u003cli\u003eLethargy, weakness or isolation\u003c\/li\u003e\n    \u003cli\u003eSmall pits or lesions around the head\u003c\/li\u003e\n    \u003cli\u003eEnlarging holes along the head or lateral line\u003c\/li\u003e\n    \u003cli\u003eReduced growth and declining body condition\u003c\/li\u003e\n    \u003cli\u003eSpitting out food shortly after attempting to eat\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003ePowerful Metronidazole Treatment for Aquarium Fish\u003c\/h2\u003e\n\n  \u003cp\u003e\u003cstrong\u003eMetronidazole\u003c\/strong\u003e becomes active inside susceptible protozoa and anaerobic bacterial cells. Once activated, it damages essential cellular material and disrupts DNA, preventing the organisms from surviving and multiplying.\u003c\/p\u003e\n\n  \u003cp\u003eThis targeted mechanism gives Fish Zole powerful activity against internal flagellated protozoa such as \u003cstrong\u003eHexamita and Spironucleus\u003c\/strong\u003e, as well as bacteria that thrive in environments with little or no oxygen.\u003c\/p\u003e\n\n  \u003cp\u003eBecause metronidazole attacks both susceptible protozoa and anaerobic bacteria, Fish Zole provides a wider range of action than a conventional antibacterial medication alone.\u003c\/p\u003e\n\n  \u003ch2\u003eWhy Fish Zole Is an Essential Aquarium Medication\u003c\/h2\u003e\n\n  \u003cul\u003e\n    \u003cli\u003eProvides dual antiprotozoal and antibacterial action\u003c\/li\u003e\n    \u003cli\u003eContains metronidazole in clearly measured tablets\u003c\/li\u003e\n    \u003cli\u003eTargets Hexamita and Spironucleus infections\u003c\/li\u003e\n    \u003cli\u003ePowerful treatment for hole-in-the-head disease\u003c\/li\u003e\n    \u003cli\u003eFights susceptible internal flagellate parasites\u003c\/li\u003e\n    \u003cli\u003eTargets anaerobic bacterial infections\u003c\/li\u003e\n    \u003cli\u003eUseful for white stringy feces associated with internal infection\u003c\/li\u003e\n    \u003cli\u003eSuitable for internal and external treatment programs\u003c\/li\u003e\n    \u003cli\u003eAvailable in 250mg and higher-strength 500mg tablets\u003c\/li\u003e\n    \u003cli\u003eSuitable for ornamental freshwater and saltwater fish\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eAvailable Fish Zole Strengths\u003c\/h2\u003e\n\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eStrength\u003c\/th\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eQuantity\u003c\/th\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eActive Ingredient\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003e250mg\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003e60 Tablets\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eMetronidazole\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003e500mg\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003e60 Tablets\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eMetronidazole\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eFish Zole 250mg – 60 Tablets\u003c\/h2\u003e\n\n  \u003cp\u003e\u003cstrong\u003eFish Zole 250mg\u003c\/strong\u003e provides 250mg of metronidazole per tablet. Each bottle contains 60 tablets, offering a convenient measured strength for aquarium treatment programs targeting susceptible protozoan and anaerobic bacterial infections.\u003c\/p\u003e\n\n  \u003ch2\u003eFish Zole 500mg – 60 Tablets\u003c\/h2\u003e\n\n  \u003cp\u003e\u003cstrong\u003eFish Zole 500mg\u003c\/strong\u003e, also commonly searched as Fish Zole Forte, provides 500mg of metronidazole per tablet. The higher-strength formula is convenient for larger treatment volumes and each bottle contains 60 tablets.\u003c\/p\u003e\n\n  \u003ch2\u003eFish Zole for Hole-in-the-Head Disease\u003c\/h2\u003e\n\n  \u003cp\u003e\u003cstrong\u003eHole-in-the-head disease\u003c\/strong\u003e causes pits, small erosions or open lesions to develop around the fish’s head and along the lateral line. The condition is especially associated with cichlids, discus, angelfish and Oscars.\u003c\/p\u003e\n\n  \u003cp\u003eHexamita and Spironucleus are frequently associated with this disease. Because metronidazole directly targets susceptible flagellated protozoa, Fish Zole is one of the most recognized treatments for protozoan-related hole-in-the-head disease.\u003c\/p\u003e\n\n  \u003cp\u003eEarly treatment is important. Small pits can enlarge into serious open lesions when the underlying condition continues untreated.\u003c\/p\u003e\n\n  \u003ch2\u003eFish Zole for Hexamita and Spironucleus\u003c\/h2\u003e\n\n  \u003cp\u003e\u003cstrong\u003eHexamita and Spironucleus\u003c\/strong\u003e are microscopic flagellated protozoa that can infect the intestinal tract of aquarium fish. They are particularly associated with cichlids, discus and angelfish but may affect other ornamental species.\u003c\/p\u003e\n\n  \u003cp\u003eInfected fish may produce white stringy feces, lose weight, stop eating, develop a sunken abdomen or show lesions around the head. Fish Zole attacks susceptible protozoa and helps control the internal infection responsible for the continuing decline.\u003c\/p\u003e\n\n  \u003ch2\u003eFish Zole for Cichlid and Malawi Bloat\u003c\/h2\u003e\n\n  \u003cp\u003eCichlid bloat and Malawi bloat may produce abdominal swelling, appetite loss, pale feces, rapid breathing, isolation and progressive weakness. These symptoms can be associated with internal protozoa, anaerobic bacteria, diet, stress or poor water conditions.\u003c\/p\u003e\n\n  \u003cp\u003eWhen the condition involves organisms susceptible to metronidazole, Fish Zole provides targeted antiprotozoal and anaerobic antibacterial treatment.\u003c\/p\u003e\n\n  \u003ch2\u003eFish Zole for White Stringy Feces\u003c\/h2\u003e\n\n  \u003cp\u003eWhite or stringy feces are commonly associated with intestinal irritation, loss of appetite and internal protozoan infections. Although this symptom can have several causes, it frequently appears in fish affected by Hexamita or Spironucleus.\u003c\/p\u003e\n\n  \u003cp\u003eFish Zole targets susceptible internal protozoa responsible for intestinal infection. Fish that are still eating may benefit from treatment administered through properly prepared medicated food, following the product directions or guidance from an aquatic-health professional.\u003c\/p\u003e\n\n  \u003ch2\u003eFish Zole for Anaerobic Bacterial Infections\u003c\/h2\u003e\n\n  \u003cp\u003eMetronidazole is not a general treatment for every bacterial disease. Its antibacterial strength is specifically directed toward \u003cstrong\u003esusceptible anaerobic bacteria\u003c\/strong\u003e—bacteria that survive and multiply in environments with little or no oxygen.\u003c\/p\u003e\n\n  \u003cp\u003eFish Zole may therefore be valuable for anaerobic infections affecting the intestinal tract or damaged internal tissues. For aerobic bacterial conditions such as many cases of fin rot, a different fish antibiotic may be required.\u003c\/p\u003e\n\n  \u003ch2\u003eFreshwater and Saltwater Fish Treatment\u003c\/h2\u003e\n\n  \u003cp\u003eFish Zole may be incorporated into treatment programs for ornamental fish maintained in \u003cstrong\u003efreshwater and saltwater aquariums\u003c\/strong\u003e. It is commonly associated with the treatment of cichlids, discus, angelfish, Oscars and other fish vulnerable to internal protozoan infections.\u003c\/p\u003e\n\n  \u003cp\u003eWhenever practical, treat affected fish in a dedicated hospital or quarantine aquarium. Isolation allows closer observation, controlled medication use and improved protection for healthy aquarium inhabitants.\u003c\/p\u003e\n\n  \u003ch2\u003eImportant Treatment Information\u003c\/h2\u003e\n\n  \u003cp\u003eCorrect identification of the condition is essential. Metronidazole targets susceptible protozoa and anaerobic bacteria. It does not treat parasitic worms, viruses, true fungal infections or every type of bacterial disease.\u003c\/p\u003e\n\n  \u003cp\u003eFollow the directions supplied with the product. The most appropriate administration method may depend on whether the infection is internal or external and whether the fish is still eating.\u003c\/p\u003e\n\n  \u003cp\u003eRemove activated carbon, chemical filtration and UV sterilization when directed because these systems may reduce the medication available in the aquarium. Maintain strong aeration and monitor ammonia, nitrite, pH and fish behavior throughout treatment.\u003c\/p\u003e\n\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct name:\u003c\/strong\u003e Fish Zole\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e500mg version also searched as:\u003c\/strong\u003e Fish Zole Forte\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eActive ingredient:\u003c\/strong\u003e Metronidazole\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMedication class:\u003c\/strong\u003e Nitroimidazole\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Antiprotozoal and anaerobic antibacterial medication\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAvailable strengths:\u003c\/strong\u003e 250mg and 500mg\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 60 tablets\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDosage form:\u003c\/strong\u003e Tablets\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrimary targets:\u003c\/strong\u003e Susceptible protozoa and anaerobic bacteria\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAquarium type:\u003c\/strong\u003e Freshwater and saltwater\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Ornamental aquarium fish\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eStorage\u003c\/h2\u003e\n\n  \u003cp\u003eStore Fish Zole in its original, tightly closed container in a cool, dry location. Protect the tablets from moisture, excessive heat and direct sunlight. Keep out of reach of children and animals.\u003c\/p\u003e\n\n  \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n  \u003ch3\u003eWhat is Fish Zole?\u003c\/h3\u003e\n  \u003cp\u003eFish Zole is a metronidazole aquarium medication that provides antiprotozoal activity and antibacterial activity against susceptible anaerobic bacteria.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat does Fish Zole treat?\u003c\/h3\u003e\n  \u003cp\u003eFish Zole is commonly used for Hexamita, Spironucleus, hole-in-the-head disease, internal flagellate infections, certain cases of cichlid bloat and susceptible anaerobic bacterial infections.\u003c\/p\u003e\n\n  \u003ch3\u003eIs Fish Zole an antibiotic or an antiparasitic?\u003c\/h3\u003e\n  \u003cp\u003eFish Zole has both actions. Metronidazole is an antibiotic against susceptible anaerobic bacteria and an antiprotozoal medication against organisms such as Hexamita and Spironucleus.\u003c\/p\u003e\n\n  \u003ch3\u003eCan Fish Zole treat hole-in-the-head disease?\u003c\/h3\u003e\n  \u003cp\u003eFish Zole is commonly selected for hole-in-the-head disease associated with susceptible Hexamita or Spironucleus infections. Environmental and nutritional factors should also be corrected.\u003c\/p\u003e\n\n  \u003ch3\u003eCan Fish Zole treat internal fish parasites?\u003c\/h3\u003e\n  \u003cp\u003eFish Zole treats susceptible protozoan parasites. It does not eliminate parasitic worms such as tapeworms, roundworms or flukes.\u003c\/p\u003e\n\n  \u003ch3\u003eCan Fish Zole treat white stringy feces?\u003c\/h3\u003e\n  \u003cp\u003eFish Zole may help when white stringy feces are caused by a susceptible intestinal protozoan infection. This symptom can have other causes, so the fish’s appetite, weight and additional symptoms should also be evaluated.\u003c\/p\u003e\n\n  \u003ch3\u003eCan Fish Zole treat cichlid bloat?\u003c\/h3\u003e\n  \u003cp\u003eFish Zole may treat cases of cichlid or Malawi bloat involving susceptible protozoa or anaerobic bacteria. Bloating caused by diet, organ failure or other conditions requires a different response.\u003c\/p\u003e\n\n  \u003ch3\u003eCan Fish Zole be used for freshwater and saltwater fish?\u003c\/h3\u003e\n  \u003cp\u003eFish Zole may be used in appropriate treatment programs for ornamental freshwater and saltwater fish according to the supplied directions.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat sizes are available?\u003c\/h3\u003e\n  \u003cp\u003eFish Zole is available as 250mg or 500mg metronidazole tablets. Each bottle contains 60 tablets.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eFor ornamental fish use only. Not for human use or for fish intended for human consumption.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"FIXMOX","offers":[{"title":"250-mg (60 Tablets)","offer_id":57343283167497,"sku":null,"price":40.99,"currency_code":"USD","in_stock":true},{"title":"500-mg (60 Tablets)","offer_id":57343283200265,"sku":null,"price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/0874\/4457\/files\/Zole25060_639b22b7-ff8a-4194-997e-0924195ac112.png?v=1789734241","url":"https:\/\/fixmox.com\/products\/fish-zole-metronidazole-250mg-500mg-tablets","provider":"MOX","version":"1.0","type":"link"}