Yes, the stess and the use of antibiotics can be debilitating. The following could be helpful:

1) Try probiotics to rebuild the flora of good bacterias.

2) Do some liver clensing using milk thisle etc.

3) If sleep is a problem, use 5htp and magnesium

4) Take a complete muti via amd mineral (mineral is important too) every day

5) For energy use Ginseng, and also amino acid Tyrosine could be helpful

Talk to holistic practitioner and discuss these things. It will be helpful.