Dear service user, Thank you for writing to Healthcaremagic. I understand your concern. When sexual arousal occurs due to erotic thoughts or images, a fluid of sex organs and tiny glands in the way of urine tube come out from penis. This is not semen. The smell of the fluid and consistency may be like semen. This is not a disease and no need to seek medical treatment. Relax and don t worry about it. Wet dream is night emission of semen. (You say it nocturnal pollution). Night emissions or ‘wet dreams’ are normal events. Semen is being manufactured by genital organs continuously but, it has to be expelled by some means. This situation is just similar to a glass of full milk to which you add more milk, with the logical result that it overflows. Similar happens to semen in body. If one neither has sex nor masturbation for long time, semen gets accumulated in its pouch, so it gets expelled in the form of night emissions, which is normal. Increase frequency of intercourse or masturbation will empty the pouch of semen and night emission will not occur. Masturbation itself is a healthy part of sexual enjoyment and does not have any adverse effect on health. Masturbation does not reduce sperm count or motility. It does not cause hair fall, wrinkles on face, shrunken eyes, aging, urine problems or dark circle around eyes. All are rampant myths. Semen is just akin to other body fluids like saliva, tears and blood. It is produced continuously and gets utilized. Loss of semen in nightfall, during sex or during masturbation does not have any adverse effects on body. No need to see doctor for this. No medications needed. No need to worry. Relax and go ahead with happy sex life. Wish you good health.