Thyroid
After starting chemotherapy I began presenting numerous symptoms such as feeling cold, having difficulty sleeping, dry skin, low energy etc. I was subsequently diagnosed with hypothyroidism and was prescribed a daily thyroid supplement. If these symptoms continue and settle into a kind of pattern, contact your general practitioner. Once treated it can take a month or two before you start noticing alleviation of your symptoms.
Recommendation
Discuss such symptoms with your GP and have a blood test conducted to assess your values.
Your GP or Oncologist should periodically check your thyroid function level when they do a blood panel. Ask to have your thyroid checked if you are noticing several rather subtle changes in how you feel.