A few days after the sexual act if the urethra infection, it is recommended to go to the hospital for examination, clear cause of the symptomatic treatment with medication: 1, if the examination diagnosed the existence of gonococcal infection that is gonorrhea, then you need to use the injection ceftriaxone sodium for treatment. It is recommended to go to the hospital intravenous infusion treatment, early cure to avoid the sequelae of urethral stenosis. 2, if the examination confirmed the existence of non-gonococcal urethritis, that is, mycoplasma, chlamydia infection, it is recommended to use azithromycin, roxithromycin, or minocycline and other medications, the need to drink a lot of water during the period of treatment and abstain from sexual activity. This disease is transmissible, if then sexual activities, can cause mutual infection between partners. 3, if the examination for non-specific urethritis, it is recommended to use injectable cefuroxime sodium or injectable cefoxitin sodium and other drugs for treatment, treatment also need to abstain from sexual activities, and drink more water, more urination, and regular review of the urine routine dynamic observation of the infection control situation.