Public Health Agency of Canada Canadian Guidelines on Sexually Transmitted Infections
Gonorrhea guide
Chlamydia and LGV guide
Syphilis guide
US Preventive Services Task Force recommendations
Chlamydia and gonorrhea screening Grade B for sexually active people with cervix at increased risk
Syphilis screening recommendations for higher-risk groups where applicable in USPSTF topics
Evidence-based references
Syndromic management evidence base
Empiric treatment thresholds in cervicitis and PID
Partner management and reinfection reduction outcomes
Diagnostic accuracy references
NAAT high sensitivity for gonorrhea and chlamydia by site with variation
Serologic testing algorithms for syphilis including treponemal and nontreponemal tests
SymptomDx is an educational tool for medical professionals. It does not replace clinical judgment. Verify all clinical data and drug dosages with authoritative sources.