For Hashimoto's Thyroiditis, you should see an endocrinologist, a specialist in hormone-related disorders and the endocrine system. They can provide a proper diagnosis, monitor thyroid hormone levels, and develop a treatment plan, often involving hormone replacement therapy. Additionally, your primary care physician can also assist in managing the condition and coordinating care.
A GP should do.
dentist, eye doctor, podiatrist, pyschologist.
You should see a dermatologist
It depends. If you want to be a physician (a medical doctor), you should get into medicine. If you want to be a philosopher (a PhD), you should get into liberal arts.
An Orthopedist or Orthopedic Surgeon.
Anyone with two hearts and a TARDIS
A cardiologist.
orthopedic specialist.
You should always talk to your doctor if you have any kind of persistent problem. Internal allergy possibilities are no exception.
That what has been prescribed by your doctor only.
Immunologist.
Nothing not prescribed by a doctor!