Males of all ages can experience random erections, often first thing in the morning. While it is usually not a cause for concern, it can feel embarrassing. This is entirely normal and may indicate healthy sexual functioning.
[Value of non-sexual penile erection for penile rehabilitation in men with erectile dysfunction]. [Article in Chinese; Abstract available in Chinese from the.
Occasionally having trouble getting or keeping an erection is not cause for concern either. A typical erection occurs when men become sexually aroused.
An erection is a physiological phenomenon in which the penis becomes . Unlike human sexual intercourse, where the male penis commonly becomes erect before entering the female, canine copulation.