Thank you for your reply i really appreciate it. No i don't have a fever . I will ask my doctor to run some of theses other tests as i cant live like this at night being so cold.
Hello,
Are the symptoms of feeling cold accompanied by any fever?If yes,then it can be a bacterial or viral infection.
If there is no fever associated then it can be due to hypothyroidism,anxiety and panic atteacks,hypoglycemic attacks,hyperhydrosis(excessive sweating) and menopause in women.Sometimes, patients who have recovered from a febrile illness continue to experience chills in the convalescence period. In your case, it can be due to menopause as well. Other than that high FSH can be due to menopause as well.
It is advisable to first have the investigations for fever like ESR,complete blood count,blood culture,blood test for malarial parasite,widal test,x-ray chest or sonography to exclude any of the pathologies associated with fever.If negative,then other causes of shivering and feeling cold should be looked for.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.