Tough question for me. I suppose it's the old every body is different...
There are plenty of meds that I didn't stay on due to side effects - or, more frequently, because they simply didn't help in any way. The meds I've stayed on for years...it seems to me that eventually they would stop being effective. I would have to switch to a different medication.
So. Brain? Med? Med combination? Diagnosis? Circumstances at the time?
I've always had a theory that "nothing is ever one thing." Keeping in line with that, I'd say that med poop out is all of the above. What would be interesting to figure out is the percentage of each cause that contributes to the effect of poop out.
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