Since deca's bloat doesn't really come from estrogen, anti-e's aren't really effective. The bloat is actually quite helpful to your muscles, and your joints and tendons really appreciate it.
I would suggest certain diuretics, but I am by no means an expert in this field (don't really use diuretics), so I'll leave it up to others to recommend something.
OK just curious. I have been really tired here lately and have had some excessive sweating and was told it could be from bloat. Just though I might see what other people were taking for it.