What is tail rot caused by?
Sarah Scott
Updated on April 01, 2026
TAIL rot is a common disease of fish now believed to be caused by motile Gram-negative bacteria1–3. The identity of such bacteria has not so far been precisely determined.
Why does tail rot happen?
Causes of Tail RotThe first is usually trauma from either bites from other bearded dragons (often when they are housed together as babies), or bites from insect prey left in the cage. Incomplete sheds can also lead to tail rot, as the old skin can remain and slowly cut off blood flow.
How do you get rid of tail rot?
We recommend using a broad-spectrum antibiotic known as erythromycin that is effective against fin rot. If your fish has also developed a secondary fungal infection, methylene blue is an appropriate antifungal treatment. Keep your fish's environment very clean and comfortable to ensure a quick recovery process.What are the symptoms of tail rot?
In the early stages of fin rot, the edges of the fins will discolor, appearing milky on the edges. Often this change is so subtle that it goes unnoticed until fraying of the fins or tail begins. As the infection spreads, small pieces of the fins die and begin to fall off, leaving a ragged edge.Will tail rot go away?
Conclusion. Tail rot is a serious and possibly painful condition for bearded dragons caused by trauma or constriction of blood supply to the tail. Some home remedies are available such as an antiseptic soak and topical antibiotics but it is often best to consult your veterinarian before the condition gets worse.TAIL ROT / NECROSIS IN LIZARDS - Symptoms, Causes & Treatment!
Does fin rot hurt fish?
Your infected fish may have fins that appear to be torn and ragged, as if they are rotting away. The fin rot may also cause your fish to become discolored and lethargic. If fin rot is not treated properly, it can lead to permanent damage on your fish's fins and be fatal for your fish.Can I put Neosporin on my bearded dragon?
Neosporin Original ointment may kill germs and keeps the wound moist. Be sure the Neosporin (or other triple antibiotic ointment) you use does not have any painkillers, which can be deadly to herps.How long does fin rot take to heal?
By using King British Fin Rot & Fungus Control there should be an improvement in 4-5 days. Due to fish having open wounds it is very important to keep water quality pristine, to prevent secondary infection taking place.Is fin rot contagious to humans?
Although fish and aquarium water can spread germs to people, illness due to keeping fish is rare. By giving routine care to your fish and their aquarium as well as following some simple health tips you are less likely to get sick from touching, feeding, or owning aquarium fish.Does salt cure fin rot?
Salt is an effective treatment option for fin rot. The antiseptic properties of salt help in treating the bacterial or fungal infection that causes the problem. To treat a fish suffering from the disease, you need to quarantine or isolate it in a tub or aquarium filled with de-chlorinated tap water.Will my fish's tail grow back?
In most cases, fish will regrow their fins and tails, often looking just as good as the originals in most cases. However, if you let fin rot go on too long -- and it does progress quickly -- more serious infections can set in and kill the fish.Is it painful for bearded dragons to shed?
I've witnessed many reptiles, not just Bearded Dragons, get damaged skin/scales due to keepers “aiding” the shed process. This does cause them pain and can lead to infections, so don't do it.How do I destress my bearded dragon?
Consistently offering live food in addition to greens can really make a difference when it comes to destressing your beardie. So, offer both even if they're not consuming them or demonstrating any interest. What is this? If crickets are your choice of food, then be sure to not leave any uneaten insects inside the cage.Why is my bearded dragon white?
Bearded dragon is turning white because it's shedding. Note the white patches – they are about to shed. One of the main reasons why your bearded dragon is turning white is because it's shedding. Young bearded dragons which are actively growing will be shedding very often – as often as every few weeks.What do I do if my fish has fin rot?
Treatment
- Change the water and check the filter.
- Treat with a suitable treatment such as phenoxyethanol, malachite green methylene blue or other proprietary agent (most seem to prefer aquarium salt; however, it is important to make sure the product is for freshwater, not saltwater, fish).