Lifestyle or Psychological Causes
Over the past decades, the medical perspective on the causes of erectile dysfunction has shifted. Common wisdom used to attribute almost all cases of impotence to psychological factors. Now investigators estimate that up to 85% of impotence cases are caused by medical or physical problems. Only 15% are psychologically based.
It is often difficult to determine if the cause of erectile dysfunction is a physical or psychological one, or even some combination. The following may be helpful:
- Physical impotence can be caused by internal medical causes (diabetes, high blood pressure) or by external causes (surgery, injury, medications). Erectile dysfunction due to medical conditions usually develops gradually but continuously over a period of time. If impotence persists over a 3-month period and is not due to a stressful event, drug use, alcohol, or known medical conditions, then the patient needs medical attention by a urologist specializing in impotence.
- Psychological impotence tends to develop rapidly and be related to a recent situation or event. The patient may be able to have an erection in some circumstances but not in others. Being able to experience or maintain an erection upon waking up in the morning suggests that the problem is psychological rather than physical.
In virtually every case of erectile dysfunction there are emotional issues that can seriously affect the man's self-esteem and relationships. Negative emotions may even perpetuate erectile dysfunction that has been caused by a medical condition that has been successfully treated. Many men tend to fault themselves for their impotence even if it is clearly caused by physical problems over which they have little or no control.
Emotional Disorders Associated with Erectile Dysfunction
Anxiety. Anxiety has both emotional and physical consequences that can affect erectile function. It is among the most frequently cited contributors to psychological impotence. Excessive concern about sexual performance is often referred to as performance or "honeymoon" anxiety and may provoke an intense fear of failure and self-doubt. It can sometimes set off a cycle of chronic impotence. In response to anxiety, the brain releases chemicals known as neurotransmitters that constrict the smooth muscles of the penis and its arteries. This constriction reduces the blood flow into and increases the blood flow out of the penis. Even simple stress may promote the release of brain chemicals that disrupt potency in a similar way.
Depression. Depression is strongly associated with erectile dysfunction. In one study, 82% of men who reported moderate to severe erectile dysfunction also had symptoms of depression. Depression can certainly reduce sexual desire, but it is often not clear which condition came first.
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