Skinny Clown Loach problem

[PeteAce]

One of my clown loaches won't each much and it's slow and very skinny even when I fed it bloodworms everyday. After some reading, I suspect it has internal parasite or the skinny disease. I've read Levamisole, PraziPro or Paraguard would work, but does anyone here have any experience/success in bringing skinny clown loaches back to health ?

[stratos]

I would pick up some Prazipro, it won't hurt and it could help. I have found some loaches remain skinny over time for no reason I can figure out.