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Doctor insights on: Why Is My Free Testosterone Level Low But The The Total Is Normal

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Why is my free testosterone level low but the the total is normal?

Why is my free testosterone level low but the the total is normal?

Free T hard to do: Generally free testosterone is quite a difficult test to do accurately in the labs. Clinical judgement, your clinical presentation, and two separate low testosterone values are necessary to really clarify your diagnosis. ...Read more

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Dr. Alvin Lin
1,742 doctors shared insights

Testosterone (Definition)

Testosterone is a hormone/androgen which is a kind of ...Read more


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My free testosterone level is lowest normal,i have symptoms of low t.is it dangerous to take cidoteston shot every 2 or 3 months?!i tried once and wow

My free testosterone level is lowest normal,i have symptoms of low t.is it dangerous to take cidoteston shot every 2 or 3 months?!i tried once and wow

Testosterone: Before making any decisions make sure your doctor examines your gonads and also orders both total and free testosterone. There is not much need for free testosterone. ...Read more

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20 year old girl free testosterone level is 2,0 is it normal? ( 2,6-5,5 pg ml written as norma for fertile woman )

Probably normal: Hi. That's probably normal. I'm not sure what you're really trying to find out. Why did some doctor measure your free testosterone? Usually that's to work up hirsutism (male pattern hair growth) and/or irregular/absent periods. If it was for a low libido workup, it may be an issue. Are you cycling normally? Free testosterone will vary with your cycle, and repeating it may be normal. Need more info ...Read more

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I am 29, what happens if I have a total testosterone level of 188 and a free testosterone level of 5.5?

I am 29, what happens if I have a total testosterone level of 188 and a free testosterone level of 5.5?

Hypogonadism: It's always best to interpret result in context of reference range. With that said, your total t sounds pretty low, which could negatively impact energy, mood, cognition, bone strength, muscle mass, sex drive, heart disease risk etc. However, before embarking on t replacement, need to figure out cause eg hemochromatosis, pituitary adenoma, h/o mumps orchitis, etc. Also need to decide upon fertilit. ...Read more

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I have free testosterone level of 540, I read average for my age range (18-25) is around 428 (Im 18). What percentile do you think I would be in?

I have free testosterone level of 540, I read average for my age range (18-25) is around 428 (Im 18). What percentile do you think I would be in?

Excellent: At age 19, I am surprised you had a Testo level...but it is fine. If there are other problems then those would need to be considered ...Read more

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What kinds of tests are a ferritin level, thyroid hormone, free testosterone level ? Tests for hair thinning or hair loss.

What kinds of tests are a ferritin level, thyroid hormone, free testosterone level ? Tests for hair thinning or hair loss.

Overall health: Every man should have an occasional serum ferritin since hemochrmoatosis is common, deadly and treatable. Testosterone assays are of little value in a baldness workup despite what you may hear, but worthwhile in an erectile dysfunction workup. Hypothyroidism leads to a non-male-pattern baldness and thyroid screen is worthwhile every few years. ...Read more

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But I feel my free Testosterone levels 10pg/ml are very low far from normal levels (2%of serum Testosterone in this case 8 ng/dL =80pg/ml).Do you have an opinion on this?

But I feel my free Testosterone levels 10pg/ml are very low far from normal levels (2%of serum Testosterone in this case 8 ng/dL =80pg/ml).Do you have an opinion on this?

Testosterone: deficiency shows up in growing age with signs of not growing hair, small libido otherwise in adulthood testing is not necessary. testosterone inj. or ointments don't help except the seller. Mine differences are not a clinical condition.Avoid caffeine, drinking, TV in room. Do regular exercise and get busy with ur studies or work. Don’t dx yourself. ...Read more

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How much do testosterone levels vary in young men throughout the day. Should the levels always stay in the "normal" range. Free testosterone blood test was low but at 3:30pm , had two tests both low.

How much do testosterone levels vary in young men throughout the day. Should the levels always stay in the "normal" range. Free testosterone blood test was low but at 3:30pm , had two tests both low.

Vary throughout day: It varies throughout the day. We want to measure your peak level when evaluating for low testosterone. Lab draw should be before 10 am. If the level come back low, you need to find out the cause before jumping to treatment. ...Read more

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Tsh 24.3 but t3/4 levels normal. Low free testosterone. Woukd could this indicate? Have been on armour thyroid for 3 months now. Low sex drive too.

Tsh 24.3 but t3/4 levels normal. Low free testosterone. Woukd could this indicate? Have been on armour thyroid for 3 months now. Low sex drive too.

Low thyroid : yes the values indicate low thyroid. You are on right treatment. Don't know what dose you are taking. you need to see your physician and ask if your dosage is ok. Then let him check your testostetone levels. Your physician seems to be smart physician who put you on armour thyroid. Stick with him ...Read more

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Dr. Alvin Lin
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