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.