2 doctors weighed in:
Low TSH high free t4? What is the cause?
2 doctors weighed in

Dr. Vered Lewy-Weiss
Pediatrics - Endocrinology
1 doctor agrees
In brief: Hyperthyroidism
High ft4 and low TSH are a combination usually indicating an over active thyroid.
It doesn't explain the cause which will require further testing to figure out.

In brief: Hyperthyroidism
High ft4 and low TSH are a combination usually indicating an over active thyroid.
It doesn't explain the cause which will require further testing to figure out.
Dr. Vered Lewy-Weiss
Dr. Vered Lewy-Weiss
Thank
Get help from a real doctor now
Dr. Vicken Poochikian
Board Certified, Internal Medicine
38 years in practice
2M people helped
Continue
107,000 doctors available
Read more answers from doctors