{"product_id":"fish-flex-cephalexin-fish-antibiotic-250mg-500mg-capsules","title":"Fish Flex Cephalexin Fish Antibiotic – 250mg \u0026 500mg Capsules","description":"\u003cdiv class=\"product-description\"\u003e\n\n  \u003cp\u003e\u003cstrong\u003eFish Flex Cephalexin\u003c\/strong\u003e is a powerful, broad-spectrum \u003cstrong\u003efish antibiotic\u003c\/strong\u003e formulated to treat bacterial infections in freshwater and saltwater aquarium fish. Its active ingredient, \u003cstrong\u003ecephalexin\u003c\/strong\u003e, is a cephalosporin antibiotic recognized for its strong antibacterial action against many susceptible gram-positive and gram-negative bacteria.\u003c\/p\u003e\n\n  \u003cp\u003eAvailable in \u003cstrong\u003e250mg and 500mg capsules\u003c\/strong\u003e, Fish Flex is especially valuable for bacterial conditions affecting the skin, fins, gills and soft tissues. It is commonly selected to treat \u003cstrong\u003efin rot, tail rot, bacterial gill disease, columnaris, infected wounds, red sores, skin ulcers, popeye and other susceptible bacterial fish infections\u003c\/strong\u003e.\u003c\/p\u003e\n\n  \u003cp\u003eFish Flex attacks bacterial infections by disrupting the formation of the bacterial cell wall. This bactericidal action weakens and destroys susceptible bacteria, helping stop an active infection before it spreads or causes more extensive tissue damage.\u003c\/p\u003e\n\n  \u003ch2\u003eWhat Does Fish Flex Treat?\u003c\/h2\u003e\n\n  \u003cp\u003eFish Flex is designed to treat bacterial diseases caused by organisms susceptible to cephalexin. It is particularly useful for infections involving damaged skin, open wounds, fins and other external tissues.\u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003e\u003cstrong\u003eFin rot and tail rot\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eBacterial gill disease\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eColumnaris and cotton-mouth infections\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eOpen sores and bacterial skin ulcers\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eInfected wounds, cuts and abrasions\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eRed lesions and inflamed skin\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003ePopeye caused by bacterial infection\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eMouth rot and bacterial mouth infections\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eScale and soft-tissue infections\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eSecondary bacterial infections following injury or stress\u003c\/strong\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eCommon Signs of a Bacterial Fish Infection\u003c\/h2\u003e\n\n  \u003cp\u003eBacterial infections can progress rapidly, particularly when fish are weakened by stress, injury, overcrowding or poor water quality. Fish Flex may be appropriate when aquarium fish show symptoms consistent with a susceptible bacterial infection, including:\u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003eFrayed, receding or discolored fins\u003c\/li\u003e\n    \u003cli\u003eWhite, red or inflamed fin edges\u003c\/li\u003e\n    \u003cli\u003eOpen wounds, ulcers or crater-like sores\u003c\/li\u003e\n    \u003cli\u003eRed patches, streaks or spots on the body\u003c\/li\u003e\n    \u003cli\u003eSwollen, cloudy or protruding eyes\u003c\/li\u003e\n    \u003cli\u003eDamaged or discolored tissue around the mouth\u003c\/li\u003e\n    \u003cli\u003eInflamed gills or rapid breathing\u003c\/li\u003e\n    \u003cli\u003eMissing scales with visible inflammation\u003c\/li\u003e\n    \u003cli\u003eLoss of appetite and unusual inactivity\u003c\/li\u003e\n    \u003cli\u003eFish hiding, isolating or remaining near the aquarium floor\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003ePowerful Cephalexin Antibiotic for Aquarium Fish\u003c\/h2\u003e\n\n  \u003cp\u003e\u003cstrong\u003eCephalexin\u003c\/strong\u003e is a first-generation cephalosporin antibiotic with strong activity against susceptible bacteria. It works by preventing bacteria from building and maintaining a protective cell wall. Without a functional cell wall, susceptible bacteria weaken, rupture and die.\u003c\/p\u003e\n\n  \u003cp\u003eThis mechanism makes Fish Flex a powerful choice for many bacterial infections involving the \u003cstrong\u003eskin, fins, wounds and soft tissues\u003c\/strong\u003e of ornamental fish. It is especially useful when an injury, damaged scale or deteriorating fin becomes infected and requires targeted antibacterial treatment.\u003c\/p\u003e\n\n  \u003ch2\u003eWhy Fish Flex Is a Powerful Fish Antibiotic\u003c\/h2\u003e\n\n  \u003cul\u003e\n    \u003cli\u003eContains cephalexin, a proven cephalosporin antibiotic\u003c\/li\u003e\n    \u003cli\u003eProvides broad-spectrum antibacterial action\u003c\/li\u003e\n    \u003cli\u003eTargets susceptible gram-positive and gram-negative bacteria\u003c\/li\u003e\n    \u003cli\u003eExcellent choice for bacterial skin and soft-tissue infections\u003c\/li\u003e\n    \u003cli\u003eTreats fin rot, tail rot, ulcers and infected wounds\u003c\/li\u003e\n    \u003cli\u003eHelps fight columnaris and bacterial gill infections\u003c\/li\u003e\n    \u003cli\u003eUseful for external and systemic bacterial disease\u003c\/li\u003e\n    \u003cli\u003eConvenient capsules provide a clearly measured strength\u003c\/li\u003e\n    \u003cli\u003eSuitable for ornamental freshwater and saltwater fish\u003c\/li\u003e\n    \u003cli\u003eAvailable in 250mg and higher-strength 500mg capsules\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eAvailable Fish Flex Strengths and Sizes\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;\"\u003e30 Capsules\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eCephalexin\u003c\/td\u003e\n      \u003c\/tr\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;\"\u003e100 Capsules\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eCephalexin\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;\"\u003e30 Capsules\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eCephalexin\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;\"\u003e100 Capsules\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px;\"\u003eCephalexin\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eFish Flex 250mg Capsules\u003c\/h2\u003e\n\n  \u003cp\u003e\u003cstrong\u003eFish Flex 250mg\u003c\/strong\u003e contains 250mg of cephalexin per capsule. It provides a convenient measured strength for bacterial fish-treatment programs and is available in bottles containing either 30 or 100 capsules.\u003c\/p\u003e\n\n  \u003ch2\u003eFish Flex 500mg Capsules\u003c\/h2\u003e\n\n  \u003cp\u003e\u003cstrong\u003eFish Flex 500mg\u003c\/strong\u003e contains 500mg of cephalexin in every capsule. This higher-strength option is convenient for larger treatment volumes and is available in 30-capsule and 100-capsule bottles.\u003c\/p\u003e\n\n  \u003ch2\u003eFish Flex for Fin Rot and Tail Rot\u003c\/h2\u003e\n\n  \u003cp\u003eFin rot and tail rot commonly appear as frayed, receding, discolored or inflamed fin tissue. When caused by bacteria susceptible to cephalexin, Fish Flex attacks the infection responsible for the continuing deterioration of the fins.\u003c\/p\u003e\n\n  \u003cp\u003eTreatment should be combined with excellent water quality because elevated ammonia, nitrite, organic waste and chronic stress can weaken fish and allow bacterial disease to return.\u003c\/p\u003e\n\n  \u003ch2\u003eFish Flex for Ulcers and Infected Wounds\u003c\/h2\u003e\n\n  \u003cp\u003eFish Flex is an especially strong option for \u003cstrong\u003ebacterial skin infections, ulcers and infected wounds\u003c\/strong\u003e. Damage caused by handling, aggression, sharp decorations, parasites or poor water conditions can create an opening through which harmful bacteria enter the tissue.\u003c\/p\u003e\n\n  \u003cp\u003eCephalexin targets susceptible bacteria involved in skin and soft-tissue infections, helping control redness, inflammation, lesions and progressive tissue damage.\u003c\/p\u003e\n\n  \u003ch2\u003eFish Flex for Columnaris\u003c\/h2\u003e\n\n  \u003cp\u003eColumnaris is a serious bacterial disease that can affect the mouth, skin, fins and gills. Common signs include white or gray patches, mouth deterioration, frayed fins, saddle-shaped lesions and rapid breathing.\u003c\/p\u003e\n\n  \u003cp\u003eFish Flex may be used when the infection is caused by bacteria susceptible to cephalexin. Because columnaris can progress rapidly, early identification, strong aeration and careful water-quality management are important.\u003c\/p\u003e\n\n  \u003ch2\u003eFreshwater and Saltwater Fish Antibiotic\u003c\/h2\u003e\n\n  \u003cp\u003eFish Flex is intended for susceptible bacterial infections affecting ornamental fish maintained in \u003cstrong\u003efreshwater and saltwater aquariums\u003c\/strong\u003e. It can be incorporated into bacterial treatment programs for tropical fish, bettas, goldfish, koi, cichlids and marine ornamental fish.\u003c\/p\u003e\n\n  \u003cp\u003eWhenever practical, treat affected fish in a dedicated hospital or quarantine aquarium. A separate treatment environment makes it easier to observe the fish, manage water quality and prevent unnecessary exposure of healthy aquarium inhabitants.\u003c\/p\u003e\n\n  \u003ch2\u003eImportant Treatment Information\u003c\/h2\u003e\n\n  \u003cp\u003eConfirm that the condition is bacterial before beginning treatment. Cephalexin is an antibiotic and will not treat parasites, viral diseases or true fungal infections.\u003c\/p\u003e\n\n  \u003cp\u003eFollow the directions supplied with the product. Remove activated carbon, chemical filtration or UV sterilization when directed because these may reduce the medication’s effectiveness. Maintain strong aeration and closely monitor ammonia, nitrite and the overall condition of the fish throughout treatment.\u003c\/p\u003e\n\n  \u003cp\u003eComplete the recommended treatment course even when visible symptoms begin to improve. Stopping antibiotic treatment too early can allow surviving bacteria to multiply and may contribute to treatment failure.\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 Flex\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eActive ingredient:\u003c\/strong\u003e Cephalexin\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMedication class:\u003c\/strong\u003e First-generation cephalosporin antibiotic\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Broad-spectrum fish antibiotic\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAvailable strengths:\u003c\/strong\u003e 250mg and 500mg\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAvailable quantities:\u003c\/strong\u003e 30 and 100 capsules\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDosage form:\u003c\/strong\u003e Capsules\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTarget:\u003c\/strong\u003e Susceptible bacterial infections\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\u003eKeep Fish Flex in its original, tightly closed container. Store the capsules in a cool, dry location protected from moisture, direct sunlight and excessive heat. Keep out of reach of children and animals.\u003c\/p\u003e\n\n  \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n  \u003ch3\u003eIs Fish Flex an antibiotic?\u003c\/h3\u003e\n  \u003cp\u003eYes. Fish Flex contains cephalexin, a broad-spectrum cephalosporin antibiotic used to treat susceptible bacterial infections in ornamental aquarium fish.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat infections does Fish Flex treat?\u003c\/h3\u003e\n  \u003cp\u003eFish Flex is used for bacterial conditions including fin rot, tail rot, bacterial gill disease, columnaris, infected wounds, skin ulcers, mouth infections and other infections caused by bacteria susceptible to cephalexin.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat is the active ingredient in Fish Flex?\u003c\/h3\u003e\n  \u003cp\u003eThe active ingredient is cephalexin. Each capsule contains either 250mg or 500mg, depending on the selected variant.\u003c\/p\u003e\n\n  \u003ch3\u003eIs cephalexin effective for fish ulcers and wounds?\u003c\/h3\u003e\n  \u003cp\u003eCephalexin has strong activity against many bacteria associated with skin and soft-tissue infections. Fish Flex is commonly selected for infected wounds, bacterial ulcers, sores and lesions in ornamental fish.\u003c\/p\u003e\n\n  \u003ch3\u003eCan Fish Flex treat fin rot?\u003c\/h3\u003e\n  \u003cp\u003eFish Flex may treat fin rot and tail rot when the disease is caused by bacteria susceptible to cephalexin. Water-quality problems and the underlying cause of the fin damage should also be corrected.\u003c\/p\u003e\n\n  \u003ch3\u003eCan Fish Flex treat columnaris?\u003c\/h3\u003e\n  \u003cp\u003eFish Flex may be used against susceptible bacterial strains involved in columnaris. Because columnaris can progress quickly, accurate diagnosis and early treatment are important.\u003c\/p\u003e\n\n  \u003ch3\u003eCan Fish Flex be used for freshwater fish?\u003c\/h3\u003e\n  \u003cp\u003eYes. Fish Flex can be used in treatment programs for susceptible bacterial infections affecting ornamental freshwater fish.\u003c\/p\u003e\n\n  \u003ch3\u003eCan Fish Flex be used for saltwater fish?\u003c\/h3\u003e\n  \u003cp\u003eFish Flex may also be used for susceptible bacterial infections in ornamental saltwater fish when used according to the supplied product directions.\u003c\/p\u003e\n\n  \u003ch3\u003eDoes Fish Flex treat fungal infections or parasites?\u003c\/h3\u003e\n  \u003cp\u003eNo. Cephalexin is an antibacterial medication. It does not eliminate parasites, viruses or true fungal infections.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat Fish Flex sizes are available?\u003c\/h3\u003e\n  \u003cp\u003eFish Flex is available in 250mg and 500mg strengths, with either 30 or 100 capsules per bottle.\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 30 (Capsules)","offer_id":57343143641353,"sku":null,"price":18.95,"currency_code":"USD","in_stock":false},{"title":"250-mg 100 (Capsules)","offer_id":57343143674121,"sku":null,"price":59.99,"currency_code":"USD","in_stock":false},{"title":"500-mg 30 (Capsules)","offer_id":57343143706889,"sku":null,"price":37.99,"currency_code":"USD","in_stock":false},{"title":"500-mg 100 (Capsules)","offer_id":57343143739657,"sku":null,"price":79.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/0874\/4457\/files\/Flex500100.png?v=1789730685","url":"https:\/\/fixmox.com\/products\/fish-flex-cephalexin-fish-antibiotic-250mg-500mg-capsules","provider":"MOX","version":"1.0","type":"link"}