Never tried the fish Erythromycin but the fish mox is great. I usually buy from www.revivalanimal.com. I think it's around $25 for 100 500-mg capsules. Works great. The main difference is that the powder in the capsules is coarser and doesn't dissolve as easily as human grade.
"[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote: I second the Fish Mox (and the fish Erythromycin), I use it here too, for myself and my son as well (I crush it and dilute with water or broth to use for the cats). http://www.drsfostersmith.com/Product/Prod_Display.cfm?pcatid=12101&N=2004+113021 Phaewryn