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Discussion Starter · #1 ·
I was performing a 24 hour Praziquantel treatment which I had down before 2 years ago with no issues. I noticed one was looking stessed but I didn't think it was a critical situation. I preformed a 50% water change 12 hours later and redosed, and then did a huge water change to clear the meds 12 hours after that. Then I went to bed. This morning one of m discus was dead:



He is usually bright blue as he is an Altum Flora. He was almost white. I have two theories: he had a bad reaction to the meds, or the dead worms caused septicemia.

Everyone else is alive in the tank, including tetras.

Very bummed. :(
 

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I CHANGE WATER
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Very sorry to hear this.
I am actually treating one of my discus in QT with prazi and rid ich right now.He had a whitish worm? or something inbetween his eyes one day and the next it looked like hole in the head?I'm inclined to think it is a parasite,but can't be certain.
Either way the discus is not happy in QT compared to the 180,but I had to pull him.On the something(can't be sure what) is wrong with him,he was way to easy to catch,another sure sign of some illness?
 

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Discussion Starter · #3 ·
Very sorry to hear this.
I am actually treating one of my discus in QT with prazi and rid ich right now.He had a whitish worm? or something inbetween his eyes one day and the next it looked like hole in the head?I'm inclined to think it is a parasite,but can't be certain.
Either way the discus is not happy in QT compared to the 180,but I had to pull him.On the something(can't be sure what) is wrong with him,he was way to easy to catch,another sure sign of some illness?
Just be careful mixing meds. I just used praziquantel powder diluted with a bit a vodka and I had a death. If you suspect a surface infection, I would perform a potassium permanganate treatment instead of meds. Even sensitive fish like tetras survive a PP treatment.

I'm so bummed. Prazi is supposed to be safe for fish and I had used this same drug when I first brought the fish home with no problems. The drug has a really long shelf life too.

If they are easy to catch it's a sure sign of illness. Can you post a photo of your discus?
 

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I'm going to give him a couple more days of meds and waterchanges and see.Very hard to see clearly with the blue tint from the rid ich.
I actually read about mixing some meds,and I got a clear NO on copper and the prazi,but was not as clear on these two in particular.It has been 2 days so I think it's ok,or not killing him quickly.He's lit in the QT and this may just be the death of him as it is hard to say he is eating well?He was eating fine,and had no other symptoms before the issue between his eyes.It really looked like a little white worm on day one and a crater the next day with no sign of white worm?
I think everyone else in tank is healthy,but really have my fingers crossed and am seriously looking over everybody!
 

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Discussion Starter · #5 ·
I'm going to give him a couple more days of meds and waterchanges and see.Very hard to see clearly with the blue tint from the rid ich.
I actually read about mixing some meds,and I got a clear NO on copper and the prazi,but was not as clear on these two in particular.It has been 2 days so I think it's ok,or not killing him quickly.He's lit in the QT and this may just be the death of him as it is hard to say he is eating well?He was eating fine,and had no other symptoms before the issue between his eyes.It really looked like a little white worm on day one and a crater the next day with no sign of white worm?
I think everyone else in tank is healthy,but really have my fingers crossed and am seriously looking over everybody!
Good luck on the treatment. Keep us posted.
 

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I am very interested in finding out how this turns out in the end. The vet at the Houston Zoo keeps Discus and he recommends autopsy. I usually do not have the heart because they are my babies.

When I treat with meds it is usually amoxicillin in the hospital tank but truthfully I very rarely treat at all. "Ick" spores cannot survive above 87 degrees F. It dies in the fish above 90 degrees F. Discus do not care if it stays 90 degrees in their tank for a month. I do not have "ick" problems.
 

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Discussion Starter · #7 ·
I am very interested in finding out how this turns out in the end. The vet at the Houston Zoo keeps Discus and he recommends autopsy. I usually do not have the heart because they are my babies.

When I treat with meds it is usually amoxicillin in the hospital tank but truthfully I very rarely treat at all. "Ick" spores cannot survive above 87 degrees F. It dies in the fish above 90 degrees F. Discus do not care if it stays 90 degrees in their tank for a month. I do not have "ick" problems.
Thanks for your concern. I rarely treat at all either. But i believe that was a mistake. I treated the discus when they first arrived at my home for nematodes, tapeworms, and Hex. That was 2 years ago and I have never treated them for parasites since except two days ago when I performed a praziquantel treatment since I notice that the fish were getting thin and they fed well still. I also found a few long worms at the bottom of the tank after I fed them fendbendazole flake.

My belief is that the fish developed a sensitivity to Prazi or that the dead worms in his gut gave him blood poisoning. I feel that I should have dewormed regularly 2x a year to prevent a buildup of bad internal parasites. This is just specific to discus. I think small fish show signs of infection faster.

Very sad still.

I thought about cutting him open to see if his organs were full of worms, but I just didn't have the heart to do it.
 
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