虽然四环素在联合王国未被广泛用于淋病治疗,不过在其它国家常用作淋球菌感染的治疗与预防。四环素治疗性传染疾病具有很多优点:价廉和耐受性好;且不像青霉素那样,四环素能治疗各种成因因素所致的非特异性或非淋球菌性尿道炎。在美国,伴随衣原体感染的淋病约占淋病病例的45%,比利时也报道了这种复合感染发生率的类似数 Although tetracycline is not widely used in gonorrhea treatment in the United Kingdom, it is commonly used in other countries for the treatment and prevention of gonococcal infection. Tetracycline has many advantages for the treatment of sexually transmitted diseases: inexpensive and well tolerated; and unlike penicillin, tetracycline can treat nonspecific or non-gonococcal urethritis due to various causal factors. In the United States, gonorrhea with chlamydial infection accounts for about 45% of cases of gonorrhea, and Belgium also reported a similar incidence of this compound infection