Alphabetical list:
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Section: Erectile Dysfunction (list 2)
Overview and symptoms
Erectile dysfunction is characterized by the regular or repeated inability to obtain or maintain an erection. There are several ways that erectile dysfunction is analyzed: Obtaining full erections at some times, such as when asleep (when the mind and psychological issues, if any, are less present), tends to suggest the physical structures are functionally working. However, the opposite case, a lack of ...Section: Erectile Dysfunction
Other articles from the section: Erectile Dysfunction
Alprostadil
Alprostadil can be injected into the penis or inserted using a special applicator - usually just before sexual intercourse. Alprostadil has also become available in some countries as a topical cream (under the brand name Befar), and preliminary studies have shown a clinical efficacy of up to 83%. It has an onset of action of 10-15 ...Section: Erectile Dysfunction
Oral treatment
The cyclic nucleotide phosphodiesterases constitute a group of enzymes that catalyse the hydrolysis of the cyclic nucleotides cyclic AMP and cyclic GMP. They exist in different molecular forms and are unevenly distributed throughout the body. One of the forms of phophodiesterase is termed PDE5. The prescription PDE5 inhibitors sildenafil (Viagra), vardenafil (Levitra) and tadalafil (Cialis) are prescription drugs which are taken orally. They work by blocking the action of PDE5, which causes cGMP to degrade. CGMP ...Section: Erectile Dysfunction
Overview and symptoms
Erectile dysfunction is characterized by the regular or repeated inability to obtain or maintain an erection. There are several ways that erectile dysfunction is analyzed: Obtaining full erections at some times, such as when asleep (when the mind and psychological issues, if any, are less present), tends to suggest the physical structures are functionally working. However, the opposite case, a lack of nocturnal erections, does not ...Section: Erectile Dysfunction