Supplement with a HIGH dose of probiotics (50bn+ daily) ASAP. Restoring your gut flora is vital, it will reduce the inflammation in your system. I'm also pretty sure your Acne is linked to your poor gut health.
Consult an endocrinologist about your thyroid issues. Taking the holistic route to address endocrine disorders will ultimately jeopardise your health. Perhaps supplementing with thyroid glandular to address low T3 is relatively safe, but your circumstances are way more complex.