Question help,dexamethasone test

[Luu2018]

Hi

Wondering if anyone can help me ,took dexamethasone last night at 11pm at 12:30pm had 2 pieces of toast and a chocolate bar ,as I finished work late

I am now worried I have messed up the test ,which is today at 9am

Do you think this will affect the results ,I’m being tested for cortisol ,cushings disease

[AnnT49]

Hi Luu2018,

Were you given any instructions by the hospital carrying out the test?

On the leaflet given to patients having the overnight Dexamethasone Suppression Test at the Queen Elizabeth Hospital, Birmingham it says:

“Preparation for your test

• Your doctor or nurse will give you a prescription for dexamethasone 1 mg tablet

• Please take dexamethasone 1 mg tablet at 11:00pm, the night before your blood test

• You can eat and drink as normal”

I don’t know if they differ from hospital to hospital. Perhaps you should mention it, when you go for your test in the morning.