No semen coming out. What's going on?

No semen outflow may be caused by retrograde ejaculation, azoospermia, ejaculation disorders, drug side effects, neurological problems, psychological factors, lifestyle, etc., need to seek medical attention in time for detailed examination and diagnosis. No semen outflow may be caused by a variety of reasons, the following are some possible reasons and 1. Retrograde ejaculation: This is a male ejaculatory dysfunction in which semen flows backward into the bladder rather than out of the urethral orifice. This condition may be caused by abnormal sphincter function in the bladder neck. 2. Azoospermia: The absence of sperm in semen. This may be caused by the inability of the testicles to produce sperm, blockage of the vas deferens, or other reproductive system problems. 3. Ejaculatory disorders: In addition to retrograde ejaculation, other ejaculation problems may also lead to abnormal ejaculation. For example, ejaculation delay, ejaculation weakness or non-ejaculation, etc. 4. Drug side effects: Some drugs, such as antidepressants, antihypertensive drugs, etc., may affect ejaculation function. 5. Nervous system problems: Nervous system diseases or injuries, such as Parkinson's disease, multiple sclerosis, etc., may lead to abnormal ejaculation. 6. Psychological factors: psychological stress, anxiety, depression and other psychological problems may affect sexual response and ejaculation process.7. Lifestyle factors: long-term abstinence, excessive masturbation, smoking, drinking and other lifestyle factors may also affect ejaculation. If there is no semen outflow, it is recommended to seek medical attention for detailed examination and diagnosis. The doctor will assess the condition on a case-by-case basis and may recommend further tests, such as semen analysis, hormonal tests, neurological tests, etc., to determine the cause and determine appropriate treatment options. In addition, certain groups of people, such as older people, men with diabetes, prostate disease, etc., may be at higher risk for semen abnormalities. Therefore, regular andrology screening is important to detect and manage any potential reproductive health problems early. Key information: No semen outflow may be caused by a variety of reasons, including retrograde ejaculation, azoospermia, ejaculatory disorders, drug side effects, neurological problems, psychological factors and lifestyle factors. Timely medical attention for detailed examination and diagnosis is key to determining the cause and developing appropriate treatment options. For specific populations, regular andrology screening helps identify and manage reproductive health problems early.