I would encourage you to follow up on this, as something is going on. What you have listed is not enough to make your liver enzymes high by themselves without someone else going on - like your tick-borne infections - but you've said that you've taken the abx and things for years without any issues.. It may just be that your feeling the effects now, but do look into it, please.
Ibuprofen does cause liver inflammation, which raises liver enzymes:
www.livestrong.com/article/19395-effect-ibuprofen-liver/ Also, there are many ways to lower liver inflammation, most of them are detoxing the liver is all.