Sounds like hypothyroidism symptoms creeping back and affecting cholesterol levels. There is an article online that goes into more detail about changes in TSH: 15 Reasons Why Your TSH May Be Fluctuating.
Not a drastic change. I had gained weight after a vacation in Oct but have not been able to lose it, which previously just getting back to a normal diet would do. Started to excercise at the 1st of the yr, so thought achieness and tiredness were due to that. Dry skin increase but justified that with it being winter and hair loss has always been.
Hypothyroidism is the most common cause of high cholesterol after diet. Are your hypothyroid symptoms worse?