What Causes Hypothyroidism?
Hashimoto’s thyroiditis is the most common cause in developed countries.
Causes by Frequency
- 1. Hashimoto’s (autoimmune)
- 2. Thyroid surgery
- 3. RAI treatment
- 4. Radiation to neck
- 5. Medications
- 6. Iodine deficiency
- 7. Congenital
Risk Factors
- Female sex (5–10×)
- Age above 60
- Family history
- Other autoimmune conditions
Source: American Thyroid Association, NLM MedlinePlus.
Order a TSH lab test online — private, no specialist referral required.
Order a TSH lab test online ↗ affiliate link