Treating fish with parasitic worms, fish stopped eating and has stringy white pooh.

Fish that stop eating and begin emitting translucent or stringy white faeces can be infected with various parasites. In this video we show you how we diagnose and treat a flowerhorn cichlid fish infected with parasitic worms.
Infected fish may show clinical signs of chronic weight loss, potbelly, “poor doers”, gut inflammation, mucoid white faeces, and inappetance. It is a zoonotic disease (i.e. humans can potentially catch it!). In humans, the clinical symptoms include diarrhoea, abdominal pain, weight loss, dehydration. Capillariasis may be fatal if treatment is not given early.
Your tank may become infected if fed tubifex worms, or by introducing infected fish. It has a direct life cycle, and can reinfect the same fish, or other fish in the tank, building up in numbers.
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Disclaimer:
The opinions expressed on this channel and by Dr Loh are created for educational and informational purposes only, and are not intended as a diagnosis, treatment or as a substitute for professional Veterinary advice, diagnosis and treatment. If you have a question or concern about your own fish, please consult a local Veterinarian or professional to address your needs or concerns, or for advice on specific treatments for your aquatic pets.
The Fish Doctor Channel does not endorse or recommend any commercial products, medical treatments, pharmaceuticals, brand names, processes, or services, or the use of any trade, firm, or corporation. Names are for the information and education of the viewing public, and the mention of any of the above on the channel does not constitute an endorsement or recommendation by The Fish Doctor channel or Dr Loh.

[@subhampal2118]

Dr.My flowrthorn is too sick as it not eating anything..its suffring from the same disease aswell as anus out.Its colour is fading but its moving well.and its one side gill is not moving.Please help me out what to do as soon as possible..please

[@FactsCountdown]

My Ottocinclus catfish has stopped eating from three days what should I do please help

[@nadeemshah5613]

Use metroxyl 400 tablet

[@AndyJobandy]

In case you didn’t get answers by now- you can prepare fresh garlic and the chemical present in it will attract your fish no matter what and they will eat it. Good for if they stop eating.

[@jonnydep7518]

2mg levamisol per litter, for three weeks, once a week. Thanks :)

[@robincruso4057]

Please always mention the medicine names in text format on video, so that all can exactly know the medicine names...... Thank you

[@TG_Vlogs64]

Ya what medicine pls Mention... My angelfish also have same problem...which is medicine is required and how to use

[@varunverma7124]

@@TG_Vlogs64 metrozyl

[@TG_Vlogs64]

@True Car Lover DM me bro

[@nanaurbiznez1725]

@@TG_Vlogs64ivermectin or levamisole. Praziquantel and fenbendazole also work quite well.

[@robertreid9955]

​@@TG_Vlogs64😊😊😊😊

[@sumairali9881]

Thanks for posting these videos these r very helpful

[@MrFoai]

Can you tell some details about treatment? After adding the medicine when is the first water change and how much med will be added again?

[@Kay13Jay]

Those filters are genius.

[@randomtube8226]

Please do a video explanation of the most common pathogens and parasites found on freshwater and saltwater fish. And explain what they are the cause and the best treatments to try.

[@rodfoulds8352]

Great video keep it up doc we need more of your peeps to make videos.

[@samueltorres7555]

Thank you so much! So if i got the conversions right, .5 mg for a 53 gallon tank (55 im guessing) So for a 200 gallon tank i would need 2 mg And for a 10 gallon tank .1mg Ive seen other youtubers that were suggesting 10mg every 3 weeks for a 200 gallon. Your method is 2mg every week for 3 weeks. What are your thoughts of dosing preventive? Every 3 months?

[@হযবরলদুনিয়া]

Doctor can you tell please what will be the dosage if i use ivermectin instead of levamisol?

[@MrDobleagent]

Is true Epson salt in the food can help as well to eliminate parasites?

[@ayames.3537]

I want to know this too 😭

[@lorzong8677]

It won’t work

[@apurvadalal6437]

It should work from what I know Can also be used once a month for prevention is what I ve heard

[@ryanparent7471]

In my experience Epsom salt does not kill off parasites. It works great for a salt bath for 10 minutes for swim bladder issues, but it does not effect the parasites that I've encountered

[@SuperFishbreeder]

Fenbendazole works great too

[@IAtf31]

I cannot get levamisole tablet were I lived can I used ivermectin and wat the dosage

[@who8dapple]

Hello Dr., 6 weeks ago, we added 12 discus fries(1.25" to 2.25") from a local breeder (Boston MA tap water) in our established 75gal planted community. (Let me just share that this gentleman gave us 8 "runts" that was below his standards because of our interest in attempting our hands on discus!) Chemistry has been stable; 7.6 pH, 0 ppm for Ammo, NO2, and NO3 at around 78 degrees. Our plants have been pearling, we gravel vac daily for loose detritus, everyone has been active and eating extremely well! Now, 3 weeks ago, we lost one of the smallest discus fry, followed by a second 5 days later. (The first two fries had physical deformities; one had a missing eye, the other deformed gill plates.) A third fry died a week after and today our fourth. Now, Today's fry had a slightly bulging belly and what appeared to be white, curly and stringy fecal matter from its anal area. I had noticed also one of the (2.5" live) larger fry with a similar white strand 2 days ago, which raised some concerns for the tank. Should we treat the whole tank, and for what...what would be the ideal medication for a planted community with shrimp and snails? TIA

[@thefishdoctor8746]

Many of our treatments have not been trialled for safety in shrimp and snails, so I'm unable to advise. In such cases, it's advisable to remove the invertebrates from the tank during treatment and then return them after a period of 1 month, after carbon filtration.

[@jasonmatheson7823]

Thanks Dr Loh

[@FactsCountdown]

My Ottocinclus catfish has stopped eating from three days what should I do please help

[@NaturesWhim]

Good job doc

[@schatzip]

Thank you very much for taking the time to make this video! You really helped me out tonight with what was a mystery fish issue in my tank! Side note: Those two fish behind you interacting with each other through the tank wall was pretty cute.

[@vladpop1312]

kzbin.info/www/bejne/gX_QdZt3jNpqqs0 j

[@sujathasamuel2092]

Please my discus is facing the same problem. I want the medicine name. Help my discus.

[@praveenkumardr7686]

If we use IVERMECTIN.... What should be the dose. And treatment period.

[@bullitlbc]

Hi, great video. Question. When your fish produces white poop with a little black at the end does that automatically mean it can have an internal parasite? Thanks

[@AvyFerg]

omg thank you so much for posting these videos. More legit info = more healthy fish :-)

[@KishoreKumar-co7lv]

Your fish cm

[@FactsCountdown]

My Ottocinclus catfish has stopped eating from three days what should I do please help

[@vladpop1312]

kzbin.info/www/bejne/gX_QdZt3jNpqqs0 j

[@bhupemdrasinghpanwar4914]

Pls use subtitles for the drug so that we could get a help by it easily . Hope u do so 😊

[@rajinaidukim7776]

Did u got that drug name?

[@8847gm]

@@rajinaidukim7776Levamisole

[@JustFlakeyz]

so our oscars we feed them pellet food and tilapia fillets can that make there poop stringy/bulky and have orange chunks he still eats to

[@reverserespiration]

I had a very stable, South American cichlid tank for about two years, a 120 filled with huge, red severums and blue acaras that I raised from juveniles. Suddenly my severums and acaras began literally dropping dead with no visible signs. I try to avoid medications whenever possible but this was severe and fatal. Over those few months I treated them with almost every category of drug as I had no idea why they'd just start dying when I could think of no changes being made. Eventually I could see white stringy poops and what 'looked like' septicemia on the dead ones. In the course of 3-4 months, they were treated with salt, Epsom salt, Malachite Green, nitrofurazone, kanamycin, metronidazole, erythromycin, praziquantel, fenbendazole, all in my desperate attempts to see them positively react to anything to no avail. I simply had no idea why one day, they were active and eating and the next day dead on the bottom with not one physical sign I could see. Finally, my last attempt was after I saw this video and tried exactly what you described but frankly, after 4 months of dying fish, I held little hope. In just 24 hours, the gravel was carpeted in red camallanus worms! By the time I saw this, ordered Levamisole and tried what you prescribed, I lost about half of my fishes but since your treatment, the dying has ceased and any symptoms they may have had are gone. I've been fishkeeping since the 1970s and this was by far the worst pathogen I've encountered. Had I not seen this video, I'd probably had to euthanize the entire tank. I can't thank you enough. You are a public service!

[@MattKeepsFish]

Dosing 2.5 mL of Fenbendazol per 10 gallons to treat against Camallanus worms. Results are not looking good after a week of dosing and I’ve lost half my stock. What did you do to get your results?

[@bittuchotu1]

Can I use albendazole instead of Levamisole as I am not getting Levamisole solution

[@lahiruwarnakula88]

Dear sir. I have discus fish with white poop disease. I use metronidazole tablets since there are no metronidazole raw material to purchase. Please tell me the dose to treat them. And how many days . What is the water changing rate. Please help

[@richardwoonlandbanc7233]

How can we prevent fish from these various parasites.? Tq

[@jonboshua]

What would you recommend fembendazole or praziquantel?

[@Jonnnnnn8]

Hey Dr, my arapaima has this infection and it sucked him in a lot, he looks very skinny and will not eat, does this sound like the same type of sickness? And also, does that mean the whole tank has the parasite if it was only my arapaima showing the signs? These are baby arapaimas about 8-9 inches long. Thank you please upvote so he can answer my question. I’m thinking about ordering this medicine ASAP please reply.

[@m1ndymayhem]

I'm positive this is what my betta has. My problems is that he is in a tank with a breeder box with a female betta and 8 kuhli loaches. The female seems fine, though I often wonder if my khulis are eating enough, and they were there before him. Could he have gotten it from the kuhlis? Is it contagious? Should I treat the entire tank, or just him? Will treatment negatively affect khulis, which gave very delicate scales?

[@TG_Vlogs64]

Pls Clearly post...medicine name

[@RK-dx1md]

Hi Dr. Loh.. could you tell me what is the magnificent you use?? 100x?

[@JolliBliss]

Just saw your channel, hope you have new videos, thanks

[@ayames.3537]

After treating a fish for internal parasites, do they pass it out? Is that how it gets out? And if they do, can you see it with the naked eye?

[@bibindear]

Sir I have an arowna age of 2.5 years .. it has stopped taking food from last three weeks. Can you help me out with this . I have given him three doses of metronidazole tablet 800 Mg as advised by the aquarium shop owner . Is it fine . Still he is not taking food . Today he passed stool white spiral shaped .

[@revolix3]

What is the cause please? Is it food?

[@goldenjeeva]

Hi Dr., 1. Is this medicine light sensitive. Do we need switch off the light in the tank after using the medication? 2. After dissolving the levamisole powder in water can it be stored for few weeks?

[@thefishdoctor8746]

I've not read that levamisole is light-sensitive. Usually I make up the meds fresh as I need. Using meds that are old may not only be ineffective, but can lead to selection of drug resistant pathogens.

[@mirramac7196]

Hello my fish poop is red after switching food from flakes to pellets. Could anyone here help it’s a Ryukin goldfish he still seems happy sometime he doesn’t eat- maybe I over fed him the first week I got him.

[@thefishdoctor8746]

What colour is the food you're feeding?

[@mirramac7196]

The Fish Doctor I’m in between green and yellow flakes/ Red and green pellets

[@ltacos2016]

My entire guppy tank has this I think and I've lost most of them. My question is how do I properly clean the tank so that it doesn't reoccur in the same fish (if I can save them) or in new fish once I'm ready to get some?

[@valeriemarsman3350]

I would also like to know how to ensure that no poop is left so it doesn't spread. Even with vacuuming it seems like some eggs might be left behind.

[@alexgritton7607]

This is why it’s important to treat over the span of 3 weeks. Any eggs left behind will hatch within 3 weeks and can then be treated like the adults.

[@apurvadalal6437]

My one tank has this problem too Everytime I get new fish after cleaning the tank they catch the intestinal parasite infection , stop eating and die I hv discarded the gravel from that tank which could be holding the parasites and eggs Hope that solves the problem. Does albendazole help?

[@ThatRicanNP]

My goldfish is having white poops. I gave him a salt and Paraguard dip and now he’s acting stressed sitting on one side of the tank by the bubbler. His poop is long, white and stringy. What can I do? I have metronidazole and Kanaplex handy at home. I don’t want to lose him, he’s big and my favorite fish!

[@chuckchucks5229]

what if my flowerhorn has white string poops and sometimes white poop floating in the tank. but he's still active and eating. is that abnormal. am i going to worried? why is that? what should i do?

[@ModestMang]

Is your buddy still alive?

[@user-saddamtex1992]

You speak so fast ...please add english subtitle...plz give note which medicine you was used...i am from Bangladesh...

[@AllisonSBoston]

Dr Richmond how can you tell me the difference between the male and female oscar?

[@MakoyUnggoy]

I have a large Angel fish with exactly those same symptoms and have added the treatment yesterday. Just one thing though, how long do I leave it before I do a partial water change as I don't want to dilute the medicine that's been added? Thanks in advance!

[@HCBCHEMISTRY]

Where did you buy it?

[@MakoyUnggoy]

@@HCBCHEMISTRY Ebay, it's usually a bit cheaper than buying the same brand from a shop

[@HCBCHEMISTRY]

@@MakoyUnggoy thank you, what's it called exactly?

[@MakoyUnggoy]

@@HCBCHEMISTRY The one I bought was NT Labs Anti-Fluke & Wormer, but if you can buy it will depend in what country you are in I suppose compared to me

[@theschoolofthoughts5274]

Hello dr. I have a pond of 18 ' by 8 ' by 4' with a waterfall , pump circulates 4000l/h' temperature this time is between 25 to 30 degrees, not much hiding places ' lot of plants in separate chamber with a diy filter' ph normal' and other parameters probably normal ' water is clear now' the pond is concrete and newly made about 50 days operating. Question is most of my fishes are flashing from few days but otherwise are healthy ' eating well' moving actively what could be the problem?

[@Harolddespui]

Hi Fish Doctor, if a clownfish is suspected to have intestinal flagellates (hexamita sp), could this be diagnosed by microscopic examination of the feces? Will hexamita show in the feces?

[@dwainkitchel1316]

as always very informative and spot on!

[@FactsCountdown]

My Ottocinclus catfish has stopped eating from three days what should I do please help

[@vladpop1312]

kzbin.info/www/bejne/gX_QdZt3jNpqqs0 j

[@youngz13o]

you are awesomeee

[@sandeepprajapati1769]

Doctor is it fine to feed live black worms to fish, how I can make them safe for my fish?

[@mynameisdudler]

Can you put treatment in the description

[@KateInTheCity]

I know this video is a few years old now but I love seeing real biology when it comes to fishkeeping. I am currently treating one of my cichlids with ivermectin but I will bring some feces in to work with me tomorrow to check out the progress and see what I can find :)

[@thefishdoctor8746]

Let us know your findings

[@KateInTheCity]

@@thefishdoctor8746 Yes, I brought a feces sample into my lab and he did have a couple of different parasites that I could see. It was not the stringy white feces that first alerted me to my electric blue acara (who is so sweet) being sick. He usually comes up and eats from my hand but he wasn't and his color started to look washed out. That's when I noticed the white feces and quarantined immediately. He is doing much better now. His tank mates (rainbow fish, bristlenose, and an angelfish) all seem fine but I am also putting them through a round of meds before I put my cichlid back with his friends.

[@zulysellas05]

Do you sell treatments?

[@footballanalysis1473]

Hay Doc please make more about Datz Tiger

[@eyedropbombz861]

Hoping you can help me with the correct dosing, grams per 10 gallons?

[@suranthamunasinghe5191]

Dr any site effect metronidazole for gold fish .if any site effect what is the action .please urgent

[@thefishdoctor8746]

I've not seen any adverse effects to the veterinary tablets

[@MrGurpreet76]

Hello sir I have the same problem with my fish white pu u shown in your video please mention the mediation for my fish and the quantitie thanks

[@wyomingadventures]

All my new are doing this too. And half have died. Wish he would have answered 🤔

[@ZFG7]

🤔 2:02 he says “for this case we can use ivermectin or levamisole”

[@sameerkesarkar8460]

Which medicean liquied

[@makoesperat6767]

Doc is it applicable in salt water fish? Thanks

[@artdrago5907]

Would seachem paraguard be okay to use

[@thefishdoctor8746]

Kitty Cat I don't know for sure, what is in paraguard, and their concentration, and so am unable to advise. I'd recommend using medicines with active ingredients on their label.

[@womblestacker7993]

Had this list lots fish

[@rodfoulds8352]

How w would you treat fish tuberculosis I heard it can be quite harmful to humans if it gets in you

[@fodrocksuk.forestofdeanroc5686]

M y platy gave birth yesterday and now she is back in the tank she has gone a bit fluffy looking and her fins are shredded. What is wrong with her? She kind of keeps sinking to the bottom

[@bhupesh437]

Dr.can I use dichris adult 150 mg for internal parasites in my discus tank

[@SarahBecker]

I have a micro scope and I found these eggs in my Discus poop. My Discus Poop was white just like that. I have used levamisole 3 times now doing LARGE water changes and cleaning the bottom as best I could after each time and I do w/c 2 times a week. My tank has a sand bottom and some plants. so keeping it spotless is not going to happen. My understanding is the levamisole only paralyzes the adult worms and does nothing to the eggs? It has been 2 weeks since the last levamisole treatment for my fish and I found more white poop and looked under the microscope and found the same eggs. Can this worm really be cured? Will my fish have to just live with it? Do you know the life cycle how long eggs take to hatch and so on? Thanks wish I had a fish Dr near me.

[@newfish4552]

Can we give levamisol safely to Siamese fighting fish and loaches. Pls mentaioned dosage and alternative as levimisole is banned in few countries.

[@ayushkaushik5820]

Sir my fish dropped on floor now she is not able to swim from last three but she is taking feed. What can I do to revive her

[@MohsinKhan-zw2eo]

Dr I'm from India can you tell me medicine name

[@ayushrajsinghrajput3923]

Sir my srd flower horn has same symptoms what you explore in the vedio , and he also not accepting food from many days , what can I do sir please help me , I am from India.

[@arfathkhalid1099]

Go to amazon and buy these 2 products, "SeaChem MetroPlex" AND "Seachem Paraguard" and just use them till it gets cured... Do it fast, if you have High end aquarium shops in your city get them locally faster...99% of aquarium shops don't have these expensive strong medicines, don't use cheaper products or you will lose your fish

[@rendy.vellamy]

Hi Doc, Where to buy this levamisole? Thanks

[@thefishdoctor8746]

You may obtain medicines from your fish veterinarian.

[@ankitagarwal6448]

hello doctor....my flowerhorn is having a intestinal infection....he is losing his appetite nd passing bloody stool as well...what should i do as a treatment?

[@vijaykumaraquariumhobbyist1448]

How much dose of ivermectin tablet for swordtail fish?

[@chrisjones6165]

My flowerhorn is doing same thing. Also added a female recently so that may have something to do with it

[@johnnyshaooni398]

Very nice thank you so much , but where I can get this live Amazon??

[@tjgolen1983]

THanks Dr. Loh, this video saved my flowerhorn’s Life! He is now on the fast track to recovery. Today he ate for the first time in 2.5wks and couldn’t be happier! Once again, thanks a million!!

[@gold3nrul311]

where did you get levamisole?

[@ahmadjaber2357]

I have a flower horn fish and he looks fine from the outside but he hasn’t been eating for like 1 month and he also is opening and closing his mouth big and slowly please help me I don’t know what to do !!

[@muhammedhisham7658]

Hey doc how should i add the second dose after the one week water change? Should i add the dose required only for the quantity of water changed or should i add the second dose the same quantity as the first?

[@bri5375]

Can I apply this to gold fish as well?

[@zligajzila8019]

Can you write name of the drug?

[@h2w156789]

I think my betta fish has a camallanus infection. He's more bloated on one side and has red/pink threads coming out of the anus. He eats less than before and not moving as much. However, recently he's been eating slightly more and a little more active. He is still bloated and the red/pink threads (which I suspect are the camallanus parasites) are still there. I read online of other fish keepers' experiences with this and some have had positive results using fenbenzadole and some with levamisole. Will these work? Which should I use?

[@ayushrajsinghrajput3923]

Can you please give me some names of medicine which I feed him.

[@thelifeaquaticwithrobbull2930]

he did, Levamisole at 2 milligrams per liter...hope that helps....it's also information that is readily available on the internet.

[@muhammedhisham7658]

Whats the dose for ivermectin ?

[@jagandmcb1234]

Fish Dr. what are your thoughts on Zedrix Guardian or Cz clear for white poop issues? I currently use your treatment but have seen others use the medicines mentioned above. THANKS FOR THE VIDEOS!!!

[@thefishdoctor8746]

See thefishvet.com/2017/04/13/%e2%80%8bever-wondered-whats-in-fish-medicines-do-they-work/

[@heirloomaquatics4175]

How would you treat for camallanus red worm?

[@theob433]

Hello Dr fishman, my fish has a developing diamond eye. does putting salt on it work?

[@EpicExpeditions889]

My betta fish has not been eating for days and is not moving much, i don't see any external parasite on its body.

[@mayagarcia2780]

Okay but mine don’t look like that when I look close to it and it has two eyes and it just floats around idk if I have a boy or girl but recently one of my fish has passed away

[@johncarlocolot9723]

i love him...

[@erictan3561]

you guys said feed your fish with garlic paste but the thing is my flowerhorn wont eat anything how is this gonna help? will appreciate if someone tell me how to treat my crossbreed shortbody flowerhorn

[@anvprototype7071]

If my fish had parasites and it was in a tank with two other fish of its kind, is it possible that it might have spread ??? The medicine paraguard is good enough for the removal ? Wot should i do ?

[@HCBCHEMISTRY]

What other medicine will work?

[@bullitlbc]

Great video! What if I don’t have a quarantine tank? When I buy my fish can I just put them in a small bucket with tank water and add ParaGuard. Let them soak in the ParaGuard for like an hour before I put them in my main tank? Can that work? Thanks

[@thefishdoctor8746]

bullitlbc that's a good way to kill the adult worms, but won't be affective against the worm eggs

[@Just_Lurking8]

Pareguard is for external parasites, that’s what the company told me.

[@edgardovarela9356]

My flowerhorn has this too what medicine did you use ? I also have another Flowerhorn that starts to cough out of no where like heck. what can it be ?

[@mikehamada1528]

Hay doc: would chopping garlic to tiny bits, then mixing it with their pellets, then feeding it to the fish heal them?

[@thefishdoctor8746]

Mike Hamada it may help, but I'm not sure if it would be a cure.

[@mikehamada1528]

The Fish Doctor thank you

[@asdfghz]

Do you ever work in Melbourne ? If so how can I get in contact?

[@dustin1870]

can you please spell the medications for me

[@thefishdoctor8746]

Levamisole

[@carlooooo2511]

can salt kill internal parasites doc?

[@rohanmargaj6207]

hello Dr., My flowerhorn is suffering from hexamita and cant eat any food at that time all i have got is metronidazole, i am injecting this in his stomach through his mouth since 5 days & alsoTreated him by epsom salt and now he start eating pallet food by last two days,kindly suggest it is recover from heximita or not ?? plz rply...

[@goldenjeeva]

Hi Doctor, few guppies in my aquarium are infected with camalanus worms.. Red color worm showing up at the vent. What treatment do you suggest?

[@leth4ltempo]

Hi doctor, I just got a fahaka puffer last week and he seems to be infected with internal parasites as he eats very little and does not move around much. From what I see, his stool is really slimy and white, it even gets stuck on parts of his body. I don't have access to a microscope so I can't tell what parasites are in him. I'm treating him with all the parasite meds I've got. I'm using two meds- Worm ex and Prazi Gold both are from EIHO. I just dosed his tank two days ago, should I continue with this? Because I'm afraid all the meds would damage his scaleless body. Or should I use a different type of medicine?