All fish, without exception, are susceptible to this disease. Therefore, whether you take ordinary guppies or expensive exotic beauties, as a result, you may need the qualified help of a competent specialist.

Causes of the disease

In fact, fish have a cure for “ICH” (Ichthyophthirius), but before we analyze the main components of preparations intended for aquarium fish, I want to tell how the infection occurs. Absolutely no one is safe from this, Ichthyophthirius can be brought in with soil and live food, fresh water, which we regularly add to the aquarium. Therefore, the cure for the “Ichthyophthirius” in fish should always be in your home medicine cabinet. Then you will not lose much time at the initial stage and you will be able to save your small underwater world.

A source of infection can be a fish bought at a pet store. There is no malicious intent, on the contrary, sellers are very good at keeping their living goods healthy. However, the stress experienced during transportation and placement in a new aquarium makes itself felt. Immunity weakens, and suddenly the fish begins to sprinkle with white spots. This once again confirms that the causative agent of the disease is already present in every aquarium, just not all conditions are suitable for its normal life.

Cardinal Tetras with (ICH) Ichthyophthirius multifiliis, White Spot Disease
Therefore, any new fish must first be identified in the jigger for acclimatization and only then transplanted into a common house. As for snails, they can also be carriers, that is, the quarantine rules apply to them fully. Plants and soil should be thoroughly washed and sanitized. It is very good if you previously hold them in a solution of a disinfectant. Therefore, the cure for the “Ichthyophthirius” in fish should be used as a prophylactic.

Recognize the symptoms

Usually, the first symptoms of the disease are not too pronounced. The inhabitants of the aquarium continue to have fun swimming and eat actively, but several dots or specks appear on their bodies. It is immediately necessary to find out if this is really a “decoy” disease in fish. Treatment can be dramatically different when it comes to other bacterial or fungal infections. That is why you need to understand well what disease you are dealing with.

It can be dermatomycosis, which is also characterized by white dots on the surface of the body. However, they gradually turn into a fluffy coating. Another formidable disease, lepidortoz, may also look similar in appearance. You can observe how pustules filled with the liquid form on the skin. Lymphocytosis manifests itself as small white nodules or plates that gradually grow. Many other diseases also lead to the appearance of white dots on the skin, so you may need the help of an experienced aquarist to make the right conclusion.

Start treatment

The process should be done exactly when the first few tubercles, similar to “Ichthyophthirius”, appeared on the fish, or even a little smaller. Moreover, if on the body of the fish their number has reached ten or more, then treating the pet will be much more difficult, if at all possible. It should be borne in mind that resistance to different drugs, as well as the life cycle itself, can be different for different Ichthyophthirius. Yes, this is really a huge family, and each of its representatives can cause a lot of trouble in your aquarium.

The ciliates living in our latitudes are the most “peaceful”. They multiply quite slowly and die even from a simple increase in water temperature to 32 degrees. Easily destroyed by almost any drug. The second type is imported from South America. These are the same gentle representatives of protozoa that often come to us together with the beautiful cichlids. It is very easily eliminated with the help of specialized drugs, but it is no longer afraid of increasing the temperature of the water. The third type is imported with freshwater fish from Southeast Asia. Parasites of this species are much larger and more dangerous than all previous ones. Salting of water, “Furacilin”, “Bitsillin-5” – all these are absolutely useless means in the fight against them. Finally, the fourth form is also of Asian origin but is more common in fish that live in brackish waters. That is why we can sometimes find conflicting information. Some argue that the disease can be easily cured by raising the temperature of the water, while others recommend using exceptionally strong drugs.


Malachite green

So, let’s consider the first remedy by which even today the disease “Ichthyophthirius” in fish is very often treated. Malachite green treatment is quite safe, which is why it has earned the trust of aquarists for many years. This is an organic dye, it does not interfere with the biological filtration of water, it can be added immediately to a common fish house. The dye practically does not harm the plants.

The optimal concentration is considered to be 0.09 mg / l. In this case, keep in mind that for some fish this concentration is overestimated. These are Iridescent shark and labeo, botia, for them the concentration should not be more than 0.04 mg / l. True, in this case, the effectiveness of the treatment drops sharply. Judging by the observations of aquarists, even very sensitive fish normally tolerate a concentration of 0.06 mg / l.

“Ichthyophthirius” – a fish disease is quite easy in terms of diagnosis and treatment, it can be seen with the naked eye, and every beginner can inject drugs into the water. So, malachite green is added to the water every day. This should be done until the signs of the disease disappear. After this, it is enough to extend the therapy for another two days. Before making malachite greens, it is necessary to replace 25% of the water, and if you add 5 drops of iodine per 100 liters to it, the effectiveness of the treatment will increase significantly. In this case, it is necessary to maintain the water temperature at least 26 degrees and turn off the filtering. After the course of treatment, you need to completely change the water, rinse the soil, although experienced aquarists advise simply placing the fish in another container during treatment, and in the main aquarium, raise the temperature to 32 degrees. So ciliates will quickly emerge from the larvae, not finding fish for themselves, will die.

Duration of therapy and reviews


“Antipar”  – a cure for “Ichthyophthirius” Today it is the most effective remedy against a variety of diseases that you can get acquainted with if you have an aquarium at home. The drug has antiparasitic, antibacterial, and antifungal effects. It is used to effectively cure fish from ichthyophthyroidism, secondary bacterial infections, as well as many other ailments. The main active ingredients are malachite green and formalin. That is why the liquid has a specific smell and a blue-green color. Features of the drug This remedy for Ichthyophthirius in fish is sold in the form of a liquid solution. Its action is based on the fact that fungi and bacteria, as well as helminths and protozoa parasitizing fish, die since the main active ingredients of the drug completely disrupt their metabolism. In this case, the drug accelerates the healing of lesions on the skin. This is a moderately hazardous substance that is toxic to fish. At the same time, different types of treatment are used. For prevention, you can use a short-term, three-hour bath, while the ratio of water and drug is 1 ml per 10 liters. The same method is used for treatment, only now not once, but at least twice with an interval of one day.

Sera Costapur

Surely you are interested in how Ichthyophthirius is treated. It depends on the species that was infected, as well as on the stage at which the disease is now. Long-term baths may be necessary if the inhabitants of your aquarium are too sensitive to the drug to withstand high concentrations. In this case, add 1 ml per 50 liters of water. The duration of treatment can be from 3 to 8 days. This is the best medicine for Ichthyophthirius today, while it is very affordable.

Sera Costapur a german preparation that is used by a large number of professional aquarists. It is distinguished by its low consumption, a 50 ml package is designed for 800 liters of water. Moreover, the cost is pretty low. This medicine for Ichthyophthirius in fish is different in that it is well tolerated by any underwater inhabitants. It contains malachite green and formaldehyde solution, as well as distilled water.

The tool can be used to quarantine new fish. In this case, you need to add 3-4 drops per 25 liters of water and let the newbies out for a few days. The drug is used for all freshwater fish, but algae and invertebrates most often do not tolerate it. At the first sign of illness, you need to add 1 ml of the drug for every 40 liters of water. On the third day, the procedure must be repeated. In the most severe cases, treatment can be repeated on the 5th and 7th day. During treatment, turn off the water filtration and increase aeration.


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Tetra ContraIck plus

Tetra ContraIck plus This is another well-known medicine for fish from Ichthyophthirius known in the circles of professional aquarists. This is is a combined remedy that is intended to treat aquarium fish from various diseases, including ichthyophthyroidism. The drug not only kills all parasites but also effectively cleans the aquarium, while not violating the natural balance. Remarkably, it doesn’t take long to heal. Within four days, you will see significant improvement and then complete recovery. As this happens, the natural environment in the aquarium will be restored. During treatment, it is required to increase aeration and completely turn off filtration. Lighting can be anything, it will not affect efficiency. If you are a novice aquarist, then the easiest way to start treatment is with this drug. It is not only highly effective but also considered safe enough for the entire underwater world. With the right dosages, the drug will help preserve all inhabitants, down to the weakest fry.


The drug “Delagil”. We continue to consider drugs from the “Ichthyophthirius”. And the next in line will be “Delagil”. It is sold in a regular pharmacy and has a number of advantages over specialized medicines. First of all, it should be noted that it is very well tolerated by fish. Even the most sensitive to chemotherapy neons, tolerate it quite easily. The effectiveness of this drug is not affected by the hardness of the water, it is destroyed very slowly, and it can be applied in any light. In this case, the drug does not violate the bio-balance, and before re-applying it, it is not necessary to replace the water. Tablets against Ichthyophthirius in fish most often do not cause side effects.

There are also disadvantages when treated with this drug, fins can begin to get damaged in fish, and appetite can also decrease, up to refusal of food. But as soon as the normal environment is restored, everything will return to normal. If you started treatment with the appearance of the first dots of disease on the body of the fish, then a single injection of the drug and a change of water in two days will be enough. If the disease has progressed, then two injections of the drug over four days will be required. Dosage – 1 tablet for 40 liters of water.


The drug “Iodinolum” It is also purchased in a regular pharmacy. The preparation is auxiliary and may well act as a medicine for fish from “Ichthyophthirius” in its initial stages. It stimulates the immune system of underwater inhabitants and compensates for iodine deficiency in water. In addition, it has a mild antiseptic effect. This drug has a positive effect on the entire water area, improves the condition of plants due to the potassium it contains. Very useful during spawning, caviar will be less susceptible to damage by fungus. Preparations from our first-aid kit Some aquarists do not specifically buy medicine for “Ichthyophthirius” for fish but use what is already at hand. These are antibiotics and some other drugs.


In the first place is the drug “Furazolidone”.It is used in a proportion of 1 tablet per 10 liters of water. It is an antimicrobial drug that can also help fight infusoria. Treatment should be continued until symptoms disappear completely. Very often, a penicillic antibiotic called “Bicillin-5” is used to solve this problem. It is a broad-spectrum antibiotic that relieves fish of disease pathogens and promotes recovery. True, in this case, the larvae, which lie at the bottom at the time of treatment, will remain alive, which means that soon you can expect a new outbreak of the disease. It should be borne in mind that any antibiotic greatly reduces immunity. That is, it is worth resorting to this tool only if there is no way to get a more effective drug. Salt baths and water temperature rise. The oldest methods of dealing with this disease.

In fact, there is no guarantee that they will help, however, if you notice the first signs of developing the disease and do not value your pets too much, or, conversely, there are too valuable fish in your aquarium, which are also very sensitive to chemotherapy, then you can try to save them this way. First of all, the water temperature must be increased to 30 degrees. In this case, the fish can be quarantined with salt water, especially if you have representatives who do not like too high temperatures. Salt water implies a concentration of 1 tablespoon per 10 liters of water. At the same time, if the fish behaves uneasily, rushes about, a third of the water should be removed and replaced with clean water.

To summarize the preparations with which you can treat Ichthyophthirius, quite a lot. To choose the one that really suits you, you need to take into account the characteristics of your pets and the stage of development of the disease. The earlier the treatment is started, the less effort, duration, and intensity it requires. So don’t waste your time. Experienced aquarists are not advised to resort to home remedies such as salt or conventional pharmaceutical preparations. They recommend buying professional drugs and using them in strict accordance with the instructions and recommendations of a specialist. It is in this case that you get an excellent result, that is, a complete cure for fish without tangible consequences for the aquarium.

Sometimes, however, you have to risk the life of mollusks, as they cannot tolerate most drugs from Ichthyophthirius. However, by leaving them untreated, you are giving the ciliates a chance to breed again in your tank, having survived the unfavorable period under the shell of the snails. So quarantine invertebrates, make a minimum concentration of the solution, and keep them there for at least a week. Only then run into the treated aquarium.

As you can see, “Ichthyophthirius” is a fish disease that can be cured quite easily, you just need to carefully examine the inhabitants of the aquarium every day.