Sounds hormonal to me and possible vitamin/mineral deficiencies. I would certainly ask the doctor to run some of these tests.
You should get bloodwork to check vitamins, minerals and hormones.
Particularly, Vitamin D, magnesium and B12
ive seriously self studied past 23 years on nutrition / natural healing and its my outlook that our standard american diet is terribly bad and causing about all of our ailments . heres a few vids on healing dietarily : https://youtu.be/id0kVddisQs , https://youtu.be/a8-IIb4nqWU ,,
Sounds to me like some kind of infection.
Did anything happen before these symptoms appear, like for example any cuts, scratches or abrasions of the skin?
Make an urgent appointment to see a doctor to get the correct diagnosis and treatment.