I always thought the epsom salt treatment w/food intriguing. Usually the fish is advanced with the disease and not eating when this comes up (so sometimes it is force fed - usually with poor results). You may want to try it. Sort of a laxative effect. I myself would wait a bit after the fish has a chance to normalize somewhat.Definitely not Prazi.
There are many that may be effective.
Food meds:
Magnesium sulfate in food(read RD. posts below I linked)
New Life Spectrum Hexshield - food containting garlic, magnesium sulfate and metronidazole
See links by RD.
https://www.monsterfishkeepers.com/forums/threads/treating-hexamita-aka-spironucleus.523470/
https://www.monsterfishkeepers.com/forums/threads/hith-revisited.650466/#post-7343405
Medications:
Metronidazole (pure form or Seachem Metroplex)
Dimetridazole (Waterlife Octozin)
Aminonitrothiazole(JBL spirohexol)
And a long winded discussion going on right now on the last few pages of the below.
https://www.monsterfishkeepers.com/...ter-cichlids-in-hard-water-rant.714934/page-7
meds and 10gal tank = stress. If the fish is acting healthy and after some time you may want to try this.