非淋病 - or more properly termed 非淋病性尿道炎, is a sexuall transmitted infection commonly caused by the organism Chlamydia trachomatis.
Persistence of symptoms after two weeks of treatment depends on 1) whether the prescribed antibiotics is correct 2) whether there are associated infections besides urethritis. For instance, if there is orchitis together with urethritis require a longer period of treatment than two weeks.