Let me first say that your situation more complicated than a paragraph can answer.  The overuse and misuse of antibiotics has been a known and documented problem in the medical field for the last two decades and it hasn't gotten any better.  I implore you to seek out a Naturopathic Physician and a wellness based Chiropractic Physician to help you cleanse the toxins inside your body.  Here is what they will likely do for you:

They will help you find the appropriate Pro-Biotic (live cultured intestinal bacteria) which will greatly increase immune function and promote an acid fast environment in your gut killing all the bad stuff.

They will help your body become alkaline with a greens supplement so that your cells have the best environment to thrive and they will eliminate foods in your diet that aren't fit for you. 

The Chiropractor will check your nervous system for interference which can be effecting every cell, tissue and organ system in your body and make a game plan for correction.