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Nocturnal penile tumescence (NPT) - It is normal for a man to have five to six erections during sleep, especially during rapid eye movement (REM). Their absence may indicate a problem with nerve function or blood supply in the penis. There are two methods for measuring changes in penile rigidity and circumference during nocturnal erection: snap gauge and strain gauge. A significant proportion of men who have no sexual dysfunction nonetheless do not have regular nocturnal erections. buy cialis online no prescription 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. online pharmacy viagra cialis cialis online Nerve or spinal cord damage: Damage to the spinal cord and nerves in the pelvis can cause erectile dysfunction. Nerve damage can be due to disease, trauma, or surgical procedures. Examples include injury to the spinal cord from automobile accidents, injury to the pelvic nerves from prostate surgery for prostate cancer (prostatectomy), radiation to the prostate, surgery for benign prostatic enlargement, multiple sclerosis (a neurological disease with the potential to cause widespread damage to nerves), and long-term diabetes mellitus. buy generic propecia buy propecia What will the future bring for erectile dysfunction? Combination therapy for the treatment of erectile dysfunction has been under investigation. Most of these studies have been small trials, and long-term data regarding their effectiveness and safety are lacking. However, with thorough evaluation and counseling, there may be a use for combination therapy for certain individuals with ED. How Is Male Sexual Dysfunction Treated? Many cases of sexual dysfunction can be corrected by treating the underlying physical or psychological problems. Treatment strategies may include the following: Medical treatment: This involves treatment of any physical problem that may be contributing to a man's sexual dysfunction. Total testosterone levels: Blood samples for total testosterone levels should be obtained in the early morning (before 8 a.m.) because of wide fluctuations in the testosterone levels throughout the day. A low total testosterone level suggests hypogonadism. Measurement of bio-available testosterone may be a better measurement than total testosterone, especially in obese men and men with liver disease, but measurement of bio-available testosterone is not widely available. buy cialis online no prescription buy cialis online no prescription Urethral medication - You can place a small pellet into the end of the urethra (the tube which passes urine and opens at the end of the penis). The pellet contains a similar medicine to that used for the injection treatment. The medicine is quickly absorbed into the penis to cause an erection, usually within 10-15 minutes. subaction showcomments viagra archive online buy viagra online