Thyroxine deficiency can lead to a number of different disabilities, including:
- Fatigue and tiredness
- Weight gain
- Intolerance to cold
- Difficulty concentrating and learning
- Depression
- Irregular or absent menstruation
- Dry skin
- Hair loss
- Muscle weakness
- Elevated cholesterol levels
- Constipation
- Slow heart rate
- Goitre (enlarged thyroid gland)