Premature ejaculation occurs when a man ejaculates sooner during intercourse than he or his partner would like. Premature ejaculation is a common complaint in today relationships. Estimates vary, but as many as 1 out of 3 men say they experience this problem at some time.

Both psychological and biological factors can play a role in premature ejaculation. Although many men feel embarrassed talking about it, premature ejaculation is a common and treatable condition
Causes
The exact cause of premature ejaculation isn’t known. While it was once thought to be only psychological, doctors now know premature ejaculation involves a complex interaction of psychological and biological factors.
Psychological causes
Psychological factors that might play a role include:Early love experiences
abuses in relationships
Poor body image
Depression
Worrying about premature ejaculation
Guilty feelings that increase your tendency to rush through love encounters
Biological causes
A number of biological factors might contribute to premature ejaculation, including:
Abnormal hormone levels
Abnormal levels of brain chemicals called neurotransmitters
Inflammation and infection of the prostate or urethra
Inherited traits