All your symptoms are occuring because of uncontrolled thyroid
status and uncontrolled diabetes
.Anti biotics don't seem to work properly if your blood sugar levels are high.
You must consult an endocrinologist
and get managed properly.
You must keep repeating your thyroid funtion tests followed by readjustment of dose of thyoid medications,till your TSH
levels come in normal range.
Similarly there are plenty of good oral anti diabetics available and by a judicious use of them,a proper blood sugar control can be achieved.
Once your thyroid status and blood sugar status is restored to normality,your symptoms shall go away.
Along with medications including statins for your cholesterol
,you must observe proper dietary restriction along with daily aerobic exercises for 45 minutes a day.
You shall definitely be all right very soon.