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Penile discharge is the abnormal loss of fluid that is not urine or semen from the urethra at the tip of the penis. It is commonly the sign of a sexually transmitted disease (STD), and requires prompt and accurate diagnosis and treatment.
The problem is that, while some STDs have clear symptoms and are easy to diagnose, others cause no symptoms at all. However, people carrying them can still transfer an STD to someone else. The latest research indicates that there are more than 25 diseases that could be spread through sexual contact. Most of them are curable but there are some that still cannot be cured.
Sexually Transmitted Diseases: Statistical Data
About 12 million new STD infections occur in the United States each year and, about 25% of those occur in people between the ages 16 and 19. One in five Americans or approximately 56 million people carry a sexually transmitted disease. Over 40 million people are estimated to have chronic genital herpes, and there are an estimated 4 million new Chlamydia cases a year. 
What Are The Symptoms Of Penile Discharge?
Penile discharge can vary in amount from scanty to profuse, and in color from clear to yellow or green. The timing of the discharge can also vary from early in the morning only, to throughout the day.
Discharge from the penis is often accompanied by other symptoms such as :
- Burning on passing urine (dysuria)
- Frequent need to pass urine (frequency)
- Excessive need to urinate at night (nocturia)
- Rash in the genital area, which can be painful or itchy
- Swollen lymph nodes (glands) in the groin