Urethral discharge white, the possible causes: 1, acute or chronic bacterial prostatitis, patients may have frequent urination, urinary urgency, urinary pain and other discomforts, the typical symptom is the appearance of urethral white discharge after urination, or urethra easy to appear white discharge, called the phenomenon of drip white. It is recommended to take a prostate fluid test to rule out prostatitis.2. Mycoplasma or Chlamydia infection, when infected, the patient may have frequent urination, urinary urgency, itching in the urethra, discomfort and so on, and accompanied by urethral white thin secretion. It is recommended that the mycoplasma and chlamydia examination, to rule out whether the relevant pathogen infection. 3, when the male patients have sexual impulses, there can be prostate secretion, and by the urethral orifice out of the white prostate fluid, often seen in the penis after frequent erection, or received sexual stimulation after the patient, the situation is a normal physiological response, do not need to worry about, and do not need to carry out the relevant examinations and treatments.