What Is Hypothyroidism?

Hypothyroidism is when your thyroid does not produce enough hormone. Everything slows down.

Causes

  • Hashimoto’s thyroiditis — most common
  • Thyroid surgery or RAI
  • Medications — lithium, amiodarone

Symptoms

  • Fatigue, weight gain, cold intolerance
  • Dry skin, hair loss
  • Constipation
  • Depression, brain fog
  • Muscle weakness

Treatment

Levothyroxine daily on empty stomach. TSH rechecked 6–8 weeks after dose change.

Source: American Thyroid Association, NLM MedlinePlus.

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