had a retest from 6 weeks ago, 6 weeks ago i think it was 21 now its 5? didnt take pills for 4 days before test as ran out, would it make that much of a drop?
t4 big drop: had a retest from 6 weeks ago,... - Thyroid UK
t4 big drop
Written by
dawnuk
To view profiles and participate in discussions please or .
Read more about...
1 Reply
•
helvellaAdministrator
Any answer would be guesswork.
You would expect your FT4 to be low after not taking it but by how much? I certainly don't know. Even if I had done the same myself, it would be my expereince which might well not apply to you.
Why did you run out?
Not what you're looking for?
You may also like...
Drop in tsh normal??
6 weeks ago I had only tsh test which was 1.6 now it seems to of dropped more down to 0.8 is this...
Further drop in T4 ?
Most recent results are TSH 3.19 (0.55-4.78) T4 9.4 (11.5-22.7) T3 6 (3.1-6.9)
Sample drawn first...
Seasonal T3+T4 value drop?
this has been happening for 2 years in a row now. Could only tell by symptoms last year but this...
t4 levels ???
had a blood test done 6 weeks ago t4 levels 8.4 was feeling really rough on Monday had blood test...
Drop in T4
I have been feeling very tired for quite some time. Had blood test and my T4 had dropped to 17. My...
T4/T3 Therapy
High out of range T4 levels 
