Read up on the symptoms for hypothyroidism - and you seem to have those
symptoms in abundance.  Write them down, match them with yours, and carry
your little paper to a doctor and request a lab test on that basis.  The lab
test should include TSH.  If the doc is sloww to ask for lab test, then ask
to have the paper included in your chart and he may change his mind.  Or you
can pay yourself at some mall walk-in testing center, as a last resort.  If
the tests are borderline or neg (which doesn't mean you don't have
hashimoto's) you can always go to an older GP and describe your symptoms, and
he may prescribe for you without lab test.  Good luck.