Thyroid Hormone

Question 1

What are examples of thyroid hormones?

Answer 1

• Levothhyroxine
• Liothyronine

Question 2

What are contraindications for thyroid hormone you would want to check for?

Answer 2

Thyrotoxicosis

Question 3

When would you have to be cautious when using thyroid medication?

Answer 3

• Pregnancy
• CVD
• Hypertension

Question 4

What is the mechanism of action of thyroid hormone?

Answer 4

Acts as thyroid hormone replacement

Question 5

What are adverse effects of thyroid hormone?

Answer 5

Hyperthyroidism

• Diarrhoea
• Arrhythmias
• Angina
• Tremor
• Restlessness
• Insomnia
• Headache
• Flushing
• Heat intolerance
• Weight loss

Question 6

What medications can interact with thyroid medications?

Answer 6

• Iron supplements
• Over the counter medications

Question 7

How would you take levothyroxine?

Answer 7

Once daily tablet before brekfast

Question 8

How long does it take for dose changes to take effect?

Answer 8

4-6 weeks

Question 9

How would you monitor levothyroxine?

Answer 9

• TSH every 2-3 months until stable
• Check annually after that

Question 10

What side effects would you warn someone to look out for?

Answer 10

Hyperthyroid - too much

• Diarrhoea
• Weight loss
• Agitation
• Amenorrhoea
• palpitations
• Heat intolerance

Hypothyroid - not enough