Overview
Hypothyroidism is inadequate thyroid hormone production, often autoimmune (Hashimoto).
Symptoms
- •Fatigue
- •Weight gain
- •Cold intolerance
- •Dry skin
Diagnosis
- ✓TSH ↑, fT4 ↓
- ✓Anti-TPO
- ✓Ultrasound (goiter)
Treatments
- →Levothyroxine
- →Target TSH 0.5-2.5
- →Annual monitoring
Risk Factors
⚠️Female
⚠️Autoimmune disease
⚠️Iodine deficiency
⚠️Radiation
Key Facts
- ℹ️5% adults
- ℹ️Subclinical: TSH ↑, fT4 normal
ICD-10: E03 | Prevalence: çok yaygın
Last updated: 11/9/2025