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The term erectile dysfunction does not encompass other erection-related disorders, such as priapism. Treatment of ED encompasses addressing the underlying causes, lifestyle modification, and addressing psychosocial issues. [4] In many instances, medication-based therapies are used, specifically PDE5 inhibitors like sildenafil. [13]
An erection (clinically: penile erection or penile tumescence) is a physiological phenomenon in which the penis becomes firm, engorged, and enlarged. Penile erection is the result of a complex interaction of psychological, neural, vascular, and endocrine factors, and is often associated with sexual arousal, sexual attraction or libido, although erections can also be spontaneous.
After their mid-forties, some men report that they do not always have an erection when they are sexually aroused. [9] Equally, a male erection can occur during sleep (nocturnal penile tumescence) without conscious sexual arousal or due to mechanical stimulation (e.g., rubbing against the bed sheet) alone. A young man—or one with a strong ...
Men who wish to improve their erectile functioning should exercise for at least a half hour all or most days of the week, according to experts at Harvard. The 30-minute minimum can be broken up ...
The efficacy question is only part of the problem. Skip to main content
Sexual dysfunction is especially common among people who have anxiety disorders. [2] [30] [31] [5] Ordinary anxiety can cause erectile dysfunction in men without psychiatric problems, but clinically diagnosable disorders such as panic disorder commonly cause avoidance of intercourse and premature ejaculation. [32]
Penile plethysmography (PPG) or phallometry is a measurement of blood flow to the penis, typically used as a proxy for measurement of sexual arousal.The most commonly reported methods of conducting penile plethysmography involves the measurement of the circumference of the penis with a mercury-in-rubber or electromechanical strain gauge, or the volume of the penis with an airtight cylinder and ...
Chemical structure of sildenafil (Viagra), the prototypical PDE5 inhibitor. A phosphodiesterase type 5 inhibitor (PDE5 inhibitor) is a vasodilating drug that works by blocking the degradative action of cGMP-specific phosphodiesterase type 5 (PDE5) on cyclic GMP in the smooth muscle cells lining the blood vessels supplying various tissues.