anxiety, shaky, ear
pain and ringing, eye
pain, diarrhea, weight loss, chest
pain, then get the TSI test for Graves.
If you have some of the above symptoms, plus you alternate with hypo symptoms such as weight gain, constipation, depression, dry skin and eyes, hair loss, muscle pain, brain fog and migraine, rashes or hives, heartburn and GERD, then get the TGab and TPOab antibody tests for Hashimoto's.
Also, get an ultrasound of the thyroid.