An STI upsurge requires a nimble approach to care

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doi:doi: 10.12788/jfp.0641

Applied Evidence

An STI upsurge requires a nimble approach to care

J Fam Pract. 2023 July;72(6):E1-E12 | doi: 10.12788/jfp.0641

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References

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Treatment is complicated by the ability of gonorrhea to develop resistance. Intramuscular ceftriaxone 500 mg in a single dose cures 98% to 99% of infections in the United States; however, monitoring local resistance patterns in the community is an important component of treatment.²⁸ (See Table 2¹⁴ for an alternative regimen for cephalosporin-allergic patients and for treating gonococcal conjunctivitis and disseminated infection.)

Unless prohibited by law in your state, offer expedited partner therapy to patients with chlamydia if they cannot ensure that their sexual partners from the past 60 days will seek timely treatment.

In 2007, the CDC identified widespread quinolone-resistant gonococcal strains; therefore, fluoroquinolones no longer are recommended for treating gonorrhea.³⁰ Cefixime has demonstrated only limited success in treating pharyngeal gonorrhea and does not attain a bactericidal level as high as ceftriaxone does; cefixime therefore is recommended only if ceftriaxone is unavailable.²⁸ The national Gonococcal Isolate Surveillance Project is finding emerging evidence of the reduced susceptibility of N gonorrhoeae to azithromycin—making dual therapy for gonococcal infection no longer a recommendation.²⁸

Patients should abstain from sex until 7 days after all sex partners have been treated for gonorrhea. As with chlamydia, the CDC does not recommend a test of cure for uncomplicated urogenital or rectal gonorrhea unless the patient is pregnant, but does recommend testing for reinfection 3 months after treatment.¹⁴ For patients with pharyngeal gonorrhea, a test of cure is recommended 7 to 14 days after initial treatment, due to challenges in treatment and because this site of infection is a potential source of antibiotic resistance.²⁸

Trichomoniasis

T vaginalis, the most common nonviral STI worldwide,³¹ can manifest as a yellow-green vaginal discharge with or without vaginal discomfort, dysuria, epididymitis, and prostatitis; most cases, however, are asymptomatic. On examination, the cervix might be erythematous with punctate lesions (known as strawberry cervix).

Unlike most STIs, trichomoniasis is as common in women older than 24 years as it is in younger women. Infection is associated with a lower educational level, lower socioeconomic status, and having ≥ 2 sexual partners in the past year.³² Prevalence is approximately 10 times as high in Black women as it is in White women.

T vaginalis infection is associated with an increase in the risk for preterm birth, premature rupture of membranes, cervical cancer, and HIV infection. With a lack of high-quality clinical trials on the efficacy of screening, women with HIV are the only group for whom routine screening is recommended.⁶

Diagnosis. NAAT for trichomoniasis is now available in conjunction with gonorrhea and chlamydia testing of specimens on vaginal or urethral swabs and of urine specimens and liquid Pap smears.

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