OK. Have to admit I was unfamiliar with kratom. Now that I've read a bit about it, it seems to me that the Tramadol may be your bigger problem. Most of what I read suggests that kratom produces little to no withdrawal issues, (and appears to prevent withdrawal effects when stopping highly addictive opiates) whereas Tramadol is significantly addictive. Is the Tramadol prescribed for you, or are you taking it on your own for the opiate effects? I would just question if it isn't the Tramadol that is fueling your addictive feelings. Here's a pretty balanced article from a generally reputable source: Should Kratom Use Be Legal? - Scientific American

The info about combining Tramadol and kratom is contradictory, so I suspect it's very dependent on the Tramadol dosage. Worth being careful about.