Be sure to take good probiotics after all the Antibiotics you've taken.

I'm sorry I don't know what blood tests you should ask for... But here are special exercises to move lymph:
http://www.drdavidwilliams.com/lymphatic-system-drainage-exercises#axzz2i6MMx4Hy


Try slapping on clay packs around your lymph nodes, it helps dislodge the funk that's trying to settle. I like Terramin but there are lots of sources. More info on clay:
http://redmondclay.com/files/we-eat-clay.pdf


"Some say clay‟s healing qualities are due to its ability to bind toxins. This is due to the negative electrical charge of the clay particles. Most of the toxic poisons, free radicals, heavy metals, etc. are positively charged, so these toxins are drawn to the clay and flushed from the body."

Also check what foods, herbs or essential oils can move the lymph.