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Related Concept Videos

Disorders of the Male Reproductive System01:20

Disorders of the Male Reproductive System

Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra. Symptoms...
Male Sexual Response: Erection & Ejaculation01:17

Male Sexual Response: Erection & Ejaculation

Sexual stimulation can take various forms, such as physical touch and visual or auditory cues. When this happens, the parasympathetic reflex in the sacral portion of the spinal cord is activated. This reflex stimulates the release of nitric oxide (NO), which then dilates the arterioles in the penis, increasing blood flow to the erectile tissues - the corpora cavernosa and corpus spongiosum.
The blood filling the erectile tissues compresses the veins, which helps to prevent blood from leaving...
Infertility in Males01:23

Infertility in Males

Male infertility affects millions of couples worldwide, arising from various factors that impact different stages of the reproductive process. An endocrine imbalance resulting from conditions like hypogonadism, Klinefelter syndrome, or pituitary disorders can disrupt hormone levels and reduce sperm production. Testicular defects, such as tumors, cryptorchidism, atrophic testes, abnormal sperm morphology, and low sperm count or motility, may arise due to genetic factors, structural...
Testosterone: Functions and Regulation01:26

Testosterone: Functions and Regulation

The intricate hormonal interplay essential for male reproductive health begins with the release of gonadotropin-releasing hormone (GnRH) by the hypothalamus. This hormone prompts the pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). LH targets the Leydig cells in the testes, stimulating them to produce and release testosterone. In concert with testosterone, FSH acts on the Sertoli cells within the seminiferous tubules to facilitate the release of...
Treatment for Pulmonary Arterial Hypertension: Phosphodiesterase Inhibitors01:28

Treatment for Pulmonary Arterial Hypertension: Phosphodiesterase Inhibitors

Phosphodiesterase 5 (PDE5) inhibitors are potent enzymes that function to hydrolyze cyclic nucleotides to their corresponding 5' monophosphates. Their unique biochemical properties have been applied in treating Pulmonary Arterial Hypertension (PAH).
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Electroconvulsive Therapy01:30

Electroconvulsive Therapy

Electroconvulsive therapy (ECT), or shock therapy, remains a critical biomedical intervention for severe, treatment-resistant depression. While its origins can be traced back to Hippocrates' observations that malaria-induced convulsions alleviated mental illness, modern ECT has evolved significantly from its earlier, more primitive applications. First introduced in 1938 by Ugo Cerletti and his colleagues, ECT involves inducing controlled seizures using electrical currents. In its early years,...

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Updated: Jun 1, 2026

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility
04:22

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility

Published on: May 30, 2025

Testosterone replacement therapy in males with erectile dysfunction.

Bobby C Jacob1

  • 1Department of Pharmacy Practice, College of Pharmacy and Health Sciences, Mercer University, Atlanta, GA, USA. jacob_bc@mercer.edu

Journal of Pharmacy Practice
|June 17, 2011
PubMed
Summary
This summary is machine-generated.

Testosterone replacement therapy (TRT) may help men with erectile dysfunction (ED) and low testosterone. More research is needed on TRT alone, but it might work with PDE-5 inhibitors.

Related Experiment Videos

Last Updated: Jun 1, 2026

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility
04:22

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility

Published on: May 30, 2025

Area of Science:

  • Endocrinology
  • Urology
  • Men's Health

Background:

  • Erectile dysfunction (ED) affects sexual performance, with testosterone deficiency a contributing factor.
  • Prevalence of testosterone deficiency in ED patients ranges from 1.7% to 35%.
  • Aging is linked to both testosterone deficiency and ED, with millions of older men affected globally.

Purpose of the Study:

  • To review the role of testosterone in erectile physiology.
  • To examine the link between testosterone deficiency and ED.
  • To evaluate testosterone replacement therapy (TRT) for hypogonadal males with ED.

Main Methods:

  • Review of published literature on testosterone's role in erectile function.
  • Analysis of studies on the relationship between testosterone deficiency and ED.
  • Evaluation of TRT efficacy in hypogonadal men with ED.

Main Results:

  • Testosterone is crucial for normal libido and plays a role in erectile function.
  • Testosterone replacement therapy (TRT) can restore normal testosterone levels in hypogonadal males.
  • Limited data exists on TRT as monotherapy for ED, but combination therapy with PDE-5 inhibitors shows promise.

Conclusions:

  • Testosterone deficiency is associated with ED, particularly in aging men.
  • TRT is established for hypogonadism but requires further study for ED monotherapy.
  • TRT may be beneficial for ED, especially when combined with PDE-5 inhibitors.