Help please! is an internal medicine doctor or an endocrinologist the best for treating thyroids?

Endocrinologist: Thyroid diseases are covered in the extra training of an endocrinologist making them more knowledgable in this area than an internist on average.

A PCP can do it: As a general internist, i treat people with under active thyroid all the time. That requires occasional bloodwork and possible dose adjustments. If the patient has over active thyroid, i generally refer that to an endocrinologist for further evaluation and simply maintain patient on recommended meds. For thyroid nodules/masses, i often get a thyroid sonogram and base next steps on the findings.

Endocrinologist: the internist will be able to evaluate your thyroid, however, if abnormalities are found upon testing, he/she will likely refer you to an endocrinologist for further evaluation and management.