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Erectile dysfunction (ED or (male) impotence) is a sexual dysfunction
characterized by the inability to develop or maintain an erection of the
penis. There are various underlying causes, such as cardiovascular
leakage and diabetes, many of which are medically treatable.
The causes of erectile dysfunction may be physiological or
psychological. Physiologically, erection is a hydraulic mechanism based
upon blood entering and being retained in the penis, and there are
various ways in which this can be impeded, most of which are amenable to
treatment. Psychological impotence is where erection or penetration
fails due to thoughts or feelings (psychological reasons) rather than
physical impossibility; this can often be helped. Notably in
psychological impotence there is a very strong placebo effect.
Erectile dysfunction, tied closely as it is to cultural notions of
potency, success and masculinity, can have devastating psychological
consequences including feelings of shame, loss or inadequacy; often
unnecessary since in most cases the matter can be helped. There is a
strong culture of silence and inability to discuss the matter. In fact
around 1 in 10 men will experience recurring impotence problems at some
point in their lives.[1]
Folk remedies have long been advocated, with some being advertised
widely since the 1930s. The introduction of the first pharmacologically
approved remedy for impotence, sildenafil (trade name Viagra), in the
1990s caused a wave of public attention, propelled in part by heavy
advertising.
The Latin term impotentia coeundi describes simple inability to insert
the penis into the vagina. It is now mostly replaced by more precise
terms. The study of erectile dysfunction within medicine is covered by
andrology, a sub-field within urology.
Cialis
Cialis is a prescription medicine taken orally for the treatment of
erectile dysfunction (ED) in men. Cialis has been shown to improve
erectile function compared to placebo up to 36 hours following dosing.
In clinical studies, the ability to have sexual activity was improved in
some patients at 30 minutes after taking a dose.
Levitra
Levitra is an FDA-approved oral prescription medication for the
treatment of erectile dysfunction (ED) in men. Levitra should be taken
no more than once per day. Levitra helps increase blood flow to the
penis and may help men with ED get and keep an erection satisfactory for
sexual activity. Once a man has completed sexual activity, blood flow to
his penis should decrease and his erection should go away.
Viagra
Viagra (sildenafil citrate) is a breakthrough treatment for male
erectile dysfunction, often called impotence. Viagra is a convenient,
discreet pill you take only when you want to have sex. Viagra can help
many men who have E.D. get and keep an erection when they become
sexually stimulated.
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