FBC Monitoring

Question 1

Azathioprine

Answer 1

Weekly for 4 weeks

Then every three months

Question 2

Clozapine

Answer 2

Weekly for 18 weeks then biweekly for one year then every four weeks

Question 3

Lithium

Answer 3

Weekly until stable
three monthly for one year
every six months thereafter

Sample should be taking 12 hours after the dose

Question 4

Methotrexate

Answer 4

full blood count and renal and liver function tests repeated every 1–2 weeks until therapy stabilised, thereafter patients should be monitored every 2–3 months.