Sexual Health, Substance Use and Health Literacy

Sexually Transmitted Infections: Prevention, Screening, and Clinical Management

Barrier methods play an essential role in sexual health promotion, but their effectiveness depends heavily on correct product selection. Male latex condoms significantly reduce, but do not completely eliminate, the transmission of herpes simplex virus and human papillomavirus. When clients utilize latex condoms, nurses must emphasize that oil-based lubricants must not be used with latex condoms because they weaken the material and cause breakage. In contrast, water-based and silicone-based lubricants are safe to use with latex condoms, providing necessary lubrication without compromising physical barrier integrity.

Routine infection screening and proactive immunization protect long-term reproductive and systemic health. Annual screening for chlamydia and gonorrhea is recommended for all sexually active women under age 25. Screening identifies asymptomatic infections early, which is vital because pelvic inflammatory disease caused by untreated chlamydia or gonorrhea can result in tubal scarring, ectopic pregnancy, and chronic pelvic pain. For broad primary prevention, routine human papillomavirus vaccination is recommended for both males and females beginning at age eleven or twelve. The human papillomavirus vaccine protects against high-risk viral strains associated with cervical, anal, and oropharyngeal cancers.

Clinical management of sexually transmitted infections combines precise diagnostics, chemoprophylaxis, and partner treatment. Pre-exposure prophylaxis with emtricitabine and tenofovir requires a documented negative HIV test prior to initiation and every three months thereafter. If an acute incident occurs, post-exposure prophylaxis for HIV must be initiated within 72 hours of potential exposure and continued for 28 consecutive days. Where permitted by law, expedited partner therapy allows clinicians to provide medication or a prescription to a patient's sex partner without examining the partner, primarily for chlamydia or gonorrhea; it is not a substitute for partner evaluation and treatment for syphilis. For syphilis, staging guides treatment: primary syphilis characteristically presents with a single, painless genital chancre at the site of inoculation, while secondary syphilis typically presents with a nonpruritic, generalized maculopapular rash involving the palms of the hands and soles of the feet. Intramuscular benzathine penicillin G is first-line for syphilis without neurologic, ocular, or otic involvement; intravenous aqueous crystalline penicillin G is first-line for neurosyphilis, ocular syphilis, and otosyphilis, although alternatives may be appropriate in selected circumstances.