Itchy urethra is most likely caused by urethritis, as an inflammatory condition, it is necessary to take anti-inflammatory drugs. First of all, it is recommended to take roxithromycin tablets, which can play the role of anti-inflammatory. Secondly, it is recommended to drink a lot of water to increase the volume of urine, and a lot of urine during urination can achieve the purpose of flushing the urethra and bring some of the germs out of the urethra. The usual diet should be careful not to eat too greasy, spicy, stimulating food, you can eat a little more fresh vegetables and fruits, it is recommended that during this period of time, try to do no smoking and quit drinking. It is recommended to keep the urethra clean and hygienic, pay attention to frequent washing and frequent change of underwear. If you have sex, it is advisable to stop having sex during this time to prevent the spread and deterioration of inflammation, both for the man and the woman.