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Case Study:  Either hyperthyroidism or hypothyroidism causes weak erection and premature ejaculation.
Reader: 10/29/2007>i got premature ejaculation / weak erections.

Cortisol Morning (saliva) 8.6 Ok ng/ml 3.7-9.5
Cortisol Noon (saliva) 1.0 L ng/ml 1.2-3.0
Cortisol Evening (saliva) 1.9 Ok ng/ml 0.6-1.9
Cortisol Night (salvia) .6 ng/ml .4 - 1.0

Thyroglobulin antibodies 204 iU/mL <20
Thyroid Peroxidase antis >1000 iU/mL <35

DHEA-S 306 mcg/dl 110-510
FSH 6.9 miu/mL (1.6 - 8.0)
LH 4.4 miu/mL (1.5 - 9.3)
E2 33 pg/ml ( 13 - 54)
Cortisol AM 16.4 mcg/dl ( 4 - 22)

SHBG 32 nmol/L (7 - 44)
T3, FREE 338 pg/dl (230-420)
T4, FREE 1.3 ng/dl (.8 - 827)
TSH, 3rd Generation .03 miu/L (.4 - 4.5)

Prolactin 8.1 ng/mL (2.0 - 18.0)
Total Test. 767 ng/dl ( 240 - 827)
Estradiol, Ultrasensitive (LC/MS/MS) 18 pg/ml < OR - 29
DHT 85 ng/dl (25-75)
Dr. Lin: 10/29/2007>

Your Cortisol Morning (saliva) 8.6 ng/ml and Cortisol Evening (saliva) 1.9 ng/ml

shows you have a high level of anxiety due to the excessive adrenal medulla function.
This can cause premature ejaculation.
Your TSH is too low, your T4 is too high (0.71 - 1.40 ng/dL)
Therefore you have hyperthyroidism.
This problem can causes the symapthetic Fight or/and Flight response during sex.
I think your high cortisol and DHT level is driven by hyperthyroidism. Over-excitation of the prostate DHT receptors  will result in sexual urgency and persistence sexual arousal with excessive prostaglandin E2 production when stress is up. That is, the high DHT level is likely to over-stimulate/inflame your prostate for premature ejaculation.

A hypothyroid condition (high TSH and low T4) can cause deficiency of testosterone and DHT and excessive prostaglandin E2
for weak erection and premature ejaculation too.  A low testosterone and DHT will increase the  prostaglandin E2 production in the prostate, seminal vesicles and testicles in an tempt to stimulate the testicular function and seminal production. The resulted semen is very watery and thin.

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