Hypothyroidism is defined as a disorder due to the inadequate secretion of thyroid hormone.


The incidence of hypothyroidism increases with age and is a common conditions, especially in women.


The primary causes of hypothyroidism include:

  • Idiopathic (unknown cause)
  • Hashimoto's thryoiditis
  • Previous treatment for hyperthyroidism
  • Subacute thyroiditis
  • Radiation therapy to the neck
  • Iodine deficiency or excess
  • Medications such as amiodarone, lithium PAS, phenylbutazone, sulfonamides or thiourea

The secondary causes of hypothyroidism include:

  • Pituitary dysfunction.
  • Post-partum necrosis.
  • Neoplasm

The tertiary causes of hypothyroidism include:

  • Hypothalamic disease.


The signs and symptoms of hypothyroidism may include:

  • Fatigue, lethargy or weakness
  • Weight gain
  • Cold intolerance
  • Poor memory
  • Dry, coarse, thick, cool & yellow coloured skin
  • Brittle & coarse hair
  • Peripheral neuropathy
  • Dulled facial expression
  • Loss of outer ⅓ of eyebrows
  • Hearing impairment
  • Slow speech
  • Possibly palpable thyroid gland
  • Constipation
  • Non-pitting edema around the eyes (myxedema) and on the hands
  • Carpal tunnel syndrome
  • Muscle stiffness
  • Muscle weakness


The diagnostic tests that are used to diagnose hypothyroidism include:

  • Thyroid panel


From a Naturopathic standpoint, Dr. Moira Kwok ND will obtain a very thorough medical history in order to put all of your "puzzle pieces" together to form a whole picture of everything that is going on from a health perspective.  From this holistic approach to treatment, she will put together an individualized treatment plan based on a combination of dietary and lifestyle recommendations, supplements, botanicals, acupuncture and/or IV therapy that is based on your specific case.




  • Beers MH & Berkow R (Editors).  1999.  The Merck Manual of Diagnosis and Therapy (17th Ed.).  Merck Research Laboratories: Whitehouse Station, NJ.
  • Ferri FF.  2007.  Ferri’s Clinical Advisor: Instant Diagnosis and Treatment.  Mosby Elsevier: Philadelphia, PA.