There are so many.. you may have some of them..depending on type of hyperthyroidism...eg. Anxiety, insomnia, irritation,palpitation, increased heart rate , sweaty hands , weight loss inspite of good appetite, diarrhoea, intolerance to heat, in some eye related symptoms xan be there..
Next Steps
get
Thyroid function test done
if hyperthyroidism confirm than few more tests ll be required