Symptoms can point to the cause then an exam and blood testing can confirm. Increased thyroid (hyperthyroidism
) has it's own set of symptoms as does low thyroid (hypothyroidism
The physical exam will be different for both as will be the blood testing. Hyperthyroidism will have a very low TSH and hypothyroidsim will have a very high tsh. If suspected thyroid disease, get in to see your pcp.