honeypot link
skip to main content
skip to main content
Professional
Consumer
Merck Manual
Professional Version
MEDICAL TOPICS
RESOURCES
DRUG INFO
COMMENTARY
PROCEDURES
QUIZZES
ABOUT US
MEDICAL TOPICS
RESOURCES
Professional
/
Infectious Diseases
/
Sexually Transmitted Infections (STIs)
/
Sexually Transmitted Infections (STIs)
Expand all
Collapse all
Overview of Sexually Transmitted Infections
Reference
Symptoms and Signs
Diagnosis
Treatment
Prevention
More Information
Chancroid
General references
Symptoms and Signs
Diagnosis
Treatment
Chlamydia and Mycoplasmal Mucosal Infections
Symptoms and Signs
Diagnosis
Screening for Chlamydia
Treatment
Treatment references
Key Points
More Information
Gonorrhea
Reference
Symptoms and Signs
Diagnosis
Men with urethritis
Women with cervicitis or pelvic inflammatory disease
Pharyngeal or rectal exposures
Arthritis, disseminated gonococcal infection (DGI), or both
Diagnosis reference
Screening
Treatment
Sex partners
Treatment reference
Key Points
More Information
Granuloma Inguinale
Symptoms and Signs
Diagnosis
Treatment
More Information
Human Papillomavirus (HPV) Infection
General reference
Etiology
Reference
Symptoms and Signs
Diagnosis
Diagnosis references
Treatment
Prevention
Key Points
More Information
Lymphogranuloma Venereum (LGV)
Symptoms and Signs
Diagnosis
Treatment
Sexually Transmitted Enteric Infections
Syphilis
Symptoms and Signs
Primary syphilis
Secondary syphilis
Latent period
Late or tertiary syphilis
Other lesions
Diagnosis
Diagnostic tests for syphilis
Primary syphilis
Secondary syphilis
Latent syphilis
Late or tertiary syphilis
Treatment
Primary, secondary, and early latent syphilis
Late latent or tertiary syphilis
Jarisch-Herxheimer reaction (JHR)
Posttreatment surveillance
Key Points
More Information
Trichomoniasis
Reference
Symptoms and Signs
Diagnosis
Treatment
Key Points