Urethral discharge may be physiological that is not associated with urethritis
or it may be pathological discharge due to the presence of urethritis (inflammation of the urethra).
a.Prosemen: this is a few drops of mucoid fluid that come out from the male urethra during the foreplay or excitation stage of sexual response cycle.
b.Prostatorrhoea (urethrorrhea): physiologic prostathorrhoea means the few drops of prostatic secretion that comes out during conditions of straining as with urination, defecation or cough. It is a physiologic phenomenon that occurs commonly in young adults.
2.In pathological variety,it may be due to Gonorrhoea
So,You have know whether it is physiological or pathological by your urologist
You have to go for proper prescription.
Wish you good health