Scrotal dampness is not contagious, it is only a symptom of the perineal area of the male scrotum, the formation of the cause is related to local impermeability, genitourinary system diseases, generally not cross-contagious. The scrotal dampness may be due to men working in high temperature environments for a long time, such as construction sites, kitchen cooking, these high temperature environments can lead to high scrotal temperature, and thus the dampness. In addition, there may be some diseases of the urinary system, such as chronic prostatitis patients, in addition to dampness will also appear urination, incomplete urination, or perineal area pain these symptoms, need to take oral antibiotics for treatment. There are also some wetness due to eczema of the scrotum, but scrotal eczema is also accompanied by itching and erosion. Although scrotal dampness is not contagious, there are many reasons behind it, so it is advisable to go to the hospital to check the cause and follow medical advice for treatment.