Can high LH cause erectile dysfunction?

Q. Am I having erectile dysfunction because of increased LH?

Answered by
Dr. Raja Ramesh
and medically reviewed by Dr. Divya Banu M
This is a premium question & answer published on Feb 01, 2020 and last reviewed on: May 23, 2023

Hello doctor,

In recent past I was suffering from ED. I visited a nearby Andrology specialist, he did some tests and found that below values. He stated that LH is very high. Is there any relation of sperm count and ED when we have high value of LH. Is it curable? My LH value is 8.6 IU/L. Please help me as I am planning for a kid.



Welcome to

ED (erectile dysfunction) can have many causes. One of them is low testosterone. Whenever the testosterone levels are low, our pituitary gland tries to stimulate testosterone production by producing more LH (luteinizing hormone). I saw your test reports (attachment removed to protect patient's identity). Testosterone levels are just below normal and LH levels are just above normal reference ranges. This might be due to diurnal variation. Normally testosterone levels peak during day time around 10 AM. This is called circadian rhythm. It is important to consider this while evaluating borderline variations. Low testosterone can lead to reduced sperm counts. Since you are also planning for a child, do get a semen analysis after three days of sexual abstinence. Repeat testosterone and LH levels at morning between 9 to 11 AM before deciding on treatment.

Investigations to be done:

Do semen analysis, testosterone and LH (luteinizing hormone) levels.

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