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Testosterone levels for young boys
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Testosterone levels for young boys

My son has been having a problem with heat lately, so they have been running test to try and find answers. He is 5 years old.  His testosterone level came back at less than 10. It said the normal is 237-770.  Since he is only 5, would that explain why it is so low? I read something and it said it should still be 100-200 for pre-puberty.  The only other results that are in so far are:  WBC are alittle low and his TSH is 6.23.  His urinalysis was normal.  I am really confused and nervous.  Does any of this make sense?
Thanks
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Avatar_n_tn
He could have a thyroid problem.
Hypothyroid is an under-functioning thyroid. TSH: This stands for Thyroid Stimulating Hormone. TSH should range from .3 to 3.0 and anything above 3 is considered hypothyroid.

You should have more tests done on his blood. T4, T3, Free T4 and
Free T3 should be checked at this point.
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Avatar_n_tn
Thank you for your message.  I got a call a few hours ago from the Dr.'s office and that is exactly what they said.  He has the hypothyroid and they put him on medication starting today.
I'm still curious if that can be what is causing the low testosterone levels.  They did say that when the thyroid is off like that, it could cause other things to be off.  
Oh yeah, and the T4 is low and the T3 is normal. Those just came back.
Thanks again for your info!
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Avatar_n_tn
Hi,It could be he has thyroid trouble and yes thyroid can cause a male to have low testosterone levels.In fact many men being treated for low testosterone need to have thyroid supplements to help with there testosterone,but are never given any so there for they never reach there goal.I do find it disturbing as to why they are checking a 5 year old boys testosterone level,as I have never heard of a child that age having it checked.I can tell you that his testosterone level will not go high until he is between the age of 11 to 18 years old.I have in fact heard of many teenage boys with levels as high as 1,400ng.I would not expect his testosterone level to be of much concern until he is in this age group!I would have him but on the lowest dose of thyroid possible.I would have his levels checked often.As he gets closer to his teenage years his thyroid level may level out and he may not need and more supplements.Good luck.
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Avatar_n_tn
Hi,One more note the thyroid will cause him to not be able to cool his body as the thyroid acts as a cooling system.The same way as a fan in a car helps to cool down the motor.It also helps to regulate your fat weight in your body and turn it in to muscle or burn it for fuel so to speak.I think you will see a big difference,but kept in mind it can take several weeks or even months of taking the supplement to see a change!
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Avatar_n_tn
Thank you so much for all your information.  That helps a lot.
They did start him on the lowest dose of levothyroxine.  One of my concerns with the medicine is that a lot of people said it could make him lose weight,  and I don't want that.  He already is very thin.  About 47 inches tall and 41 pounds.  He has very mild Cerebral Palsy, so they said that is why he is so thin, since his muscles work so much harder than someone that don't have CP.(His twin brother is 10 pounds more than him)
As far as the testosterone,  that was just one of about 21 different blood test they did when they were trying to figure out why he was reacting so severely to heat.  So you don't think I should be too concerned with that low of a level? This is all so new to me.  It looks like we won't be able to get in to the pediatric endocrinologist until August or September. So any answers really help.
thank you so much for your time
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Avatar_n_tn
Hi,Yes an Endocrinologist would be the way to go,as they should be able to get him on track.I dont know if they would give him testosterone supplements at his age or not.Being the fact that if they give him to much it could induce puberty at the age of 5,which would be very young.I think if they do give him something it might be an HCG shot which would make his body produce more testosterone own his own.An HCG shot would be more in line with driving his testosterone levels higher.I just dont think at his age they would give him testosterone supplements neither would I want them to give him any.I think a few HCG shots might do the trick.Not sure how many or how often but I dont think it would be very many.A good Endrocrinologist would know for sure.Good luck.
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Avatar_n_tn
My son who is 16 years old has just had some blood work done and found out his testosterone level is 200. He is always tired, very low muscle mass, small testicles, and some depression. Has anyone else out there had any kind of dealings like this? I don't know what to make of this info.
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Avatar_n_tn
My son is 20 years old and was tested a few months ago and he's testosterone was at 6.3, yes, not even on the chart.  Now today he had found out it is down to 2.3.  I am looking for answer too.  He goes back to doctor tomorrow. Buy he has been losing weight which he is too thin already, like 90 pounds.  He;s always been a little guy.
He was taking the testosterone pills for the past three months, and nothing, even a drop so now I'm thinking he should have a shot or two.
Has anyone out there heard of such a problem like this in a 20 year-old kid.  By SS
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Avatar_m_tn
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