Hypothyroidism Flashcards
1
Q
What are the causes of hypothyroidism?
A
- Hashimoto’s thyroiditis
- Iodine deficiency
- Secondary to treatment of hyperthyroidism (anti-thyroid drugs/surgery)
- Medications, e.g. lithium, amiodarone
2
Q
Which is the most common cause of hypothyroidism in the developed world?
A
Hashimoto’s thyroiditis
3
Q
Which is the most common cause of hypothyroidism in the developing world?
A
Iodine deficiency
4
Q
What is Hashimoto’s thyroiditis?
A
Autoimmune hypothyroidism associated with anti-thyroid peroxidase (anti-TPO) antibodies and antithyroglobulin antibodies
5
Q
What are the clinical features of hypothyroidism?
A
- Fatigue
- Dry skin
- Weight gain
- Constipation
6
Q
Describe the management of hypothyroidism
A
Oral levothyroxine, titrated to effect