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  • The spectrum of sexually transmitted diseases (STDs) includes the classic venereal diseases—gonorrhea, syphilis, chancroid, lymphogranuloma venereum, and granuloma inguinale—as well as a variety of other pathogens known to be spread by sexual contact (Table 46–1). Common clinical syndromes associated with STDs are listed in Table 46–2. The most current information on epidemiology, diagnosis, and treatment of STDs provided by the Centers for Disease Control and Prevention (CDC) can be found at

TABLE 46–1Sexually Transmitted Diseases
TABLE 46–2abcdSelected Syndromes Associated with Common Sexually Transmitted Pathogens


  • Neisseria gonorrhoeae is a gram-negative diplococcus estimated to cause over 300,000 new infections per year in the United States. Humans are ...

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