Low Testosterone Causes

There are two main causes of low testosterone. The one that we focus on in the How to Increase Testosterone page is low testosterone resulting from secondary hypogonadismresulting from conditions that we can control or change. Only a doctor can properly diagnose the cause of your low testosterone.

1. Primary hypogonadism: this originates from a problem in the testicles

  • Can result from a chromosome abnormality (Klinefelter syndrome)
  • Undescended testicles (occurs in children and needs to be treated then)
  • Mumps
  • Hemochromatosis (a condition where there is too much iron in the blood)
  • Injury to the testicles (don’t let this happen!)
  • Cancer therapy such as radiation or chemotherapy
Thin and fat

If you look like the David on the right, you can probably guess the cause of your low testosterone. Let’s change that!

2. Secondary hypogonadism: The testicles are normal but function improperly due to abnormal signaling from the pituitary glad or hypothalamus

  • Obesity
  • Physical stress such as during illness and injury
  • Emotional stress
  • Aging
  • Pituitary disorders such as tumors
  • Kallman syndrome, an abnormal development of the hypothalamus
  • Certain inflammatory diseases
  • Medications such as opiates and hormones

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