Get Virtual Care
For Businesses
About Us
A member asked:
What level should thyroxine t4 free direct s be?
A doctor has provided 1 answer
Levels vary: Depending upon the lab, but are generally 0.9-2.4 mcg/dl.
Answered 9/19/2013
4.9k views
Thank
Related Questions
A member asked:
Had chemical pregnancy of 4 wks & TSH levels nw are 0.25 & free T4 1.8.My doc dnt want 2 reduce Synthroid (thyroxine) dose (75mcg) n want 2 check in 4 wks.Normal?
A doctor has provided 1 answer
A member asked:
TSH w/reflex to T4 was 0.25. T4 free 1.2. T3 free 2.7. Tsh level was higher and synthroid (thyroxine) 137mg. Still on same dosage. Would this cause fatigue?
A doctor has provided 1 answer
A member asked:
TSH 1.160 (0.091 in 9/2022) T4 9.7, T3 uptake 21, Free T3 3.6, Free Thyroxine Index 2.0, NP wants to start on low dose Levothyroxine due to low T3 uptake, even though others levels WNL. Should I start taking it or not? 31, female, fatigue, wt gain?
2 doctors weighed in across 2 answers
A member asked:
Graves and RAI 12 years ago. 125mcg synthroid (thyroxine). All levels normal. 6 years ago TSH dropped to 0 and Free T3 & T4 low normal. TSH won't increase?
A doctor has provided 1 answer
A member asked:
Which things in your diet could lower your thyroxine (t4) levels?
A doctor has provided 1 answer
People also searched for:
My free T4 thyroxine is 8.4 pmol /L. I'm on 0.05mg of Synthroid is that enough for my level? Because I seriously feel so dead and weak all day.
I've been on synthroid (thyroxine) 175 for 4 years, changed to Armour 3 months ago. Last levels were T4 Free 0.7 and TSH 4.35. Time to see an Endocrinologist?
On75mcg synthroid (thyroxine).Y TSH levels of 4.57 (fT41.2) after a 3-4 wk chemical pregnancy hv reduced to 0.25 wit free T4 1.8.Did test 8 days after miscarryin?
Tsh level is 9.23 HIGH (0.450-4.500) Thyroxine T4 6.4 ( 4.5-12) T3 uptake 27 (24-39%). free thyroxine index 1.7 what does it mean?
On 25mcg synthroid, (thyroxine)TSH reduced frm 4.67 to 2.61 in18 days.So decided 2 try to conceive.Levels 12 days later-TSH 4.57; Free T4 1.2; T3 103.Whts d prob?
Didn't find what you're looking for?
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your questionMore of what we treat
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HIPAASecure
SOC 2 Type 2Certified
JCAHOAccredited
Download HealthTap
Video visit and message your doctor
