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Syphilis infection

Última revisión: 15 Sep 2025
Última actualización: 10 Dec 2024

Resumen

Definición

Anamnesis y examen

Principales factores de diagnóstico

  • anogenital ulcer
  • lymphadenopathy
  • diffuse rash
  • constitutional symptoms
  • fatigue
  • rhinitis (congenital syphilis)
  • hepatosplenomegaly (congenital syphilis)
  • patchy alopecia
  • condylomata lata
  • memory impairment, altered mood, confusion, or dementia
  • visual changes
  • Argyll-Robertson pupils
  • loss of sense of vibration, proprioception, and position sense
  • ataxia
  • loss of anal and bladder sphincter control
  • positive Romberg sign
  • diastolic murmur
  • rubbery lesions/nodules with a necrotic center
  • miscarriage, stillbirth, or neonatal death (congenital syphilis)
  • premature labor and intrauterine growth retardation (congenital syphilis)
  • neonatal skin rash (congenital syphilis)
  • tibial bowing (congenital syphilis)
  • craniofacial malformation (congenital syphilis)
  • tooth abnormalities (congenital syphilis)
  • necrotizing funisitis (congenital syphilis)
Todos los datos

Otros factores de diagnóstico

  • mouth ulcer
  • asymptomatic with positive serology (latent syphilis)
  • tremor
  • headache
  • meningismus
  • eye pain
  • hearing loss
  • seizures
  • peripheral edema
  • jaundice
  • peripheral neuropathy
  • areflexia
  • angina
  • dyspnea
  • organomegaly
  • skin or visceral organ perforation or collapse of structure
  • neonatal neurologic abnormalities (congenital syphilis)
Todos los datos

Factores de riesgo

  • sexual contact with an infected person
  • men who have sex with men (MSM)
  • illicit drug use
  • commercial sex workers
  • multiple sexual partners
  • people with HIV or other STIs
  • syphilis during pregnancy (risk for congenital syphilis)
Todos los datos

Pruebas diagnósticas

Primeras pruebas diagnósticas para solicitar

  • dark-field microscopy of swab from lesion
  • serum treponemal enzyme immunoassay (EIA)
  • serum Treponema pallidum particle agglutination (TPPA)
  • serum Treponema pallidum hemagglutination (TPHA)
  • serum fluorescent treponemal antibody absorption (FTA-ABS) test
  • immunocapture assay
  • line immunoassay (LIA) serologic test
  • serum rapid plasma reagin (RPR) test
  • serum Venereal Disease Research Laboratory (VDRL) test
Todos los datos

Pruebas diagnósticas que deben considerarse

  • lumbar puncture, cerebrospinal fluid (CSF) analysis
  • chest x-ray
  • echocardiogram
  • computed tomography brain
  • magnetic resonance imaging brain
  • HIV test
  • fetal ultrasound scan
  • complete blood count
  • long-bone x-rays
  • liver enzymes (aspartate aminotransferase, alanine aminotransferase and alkaline phosphatase) and bilirubin
  • auditory brainstem response
  • audiometry
  • fetal skeletal survey
Todos los datos

Pruebas emergentes

  • Treponema pallidum polymerase chain reaction (PCR) (sample taken directly from ulcerative lesions)
  • point of care (POC) testing with either treponemal or combination treponemal/nontreponemal antibody

Algoritmo de tratamiento

Inicial

adults with suspected early infection or sexual contacts of patients with confirmed infection

Agudo

adults without neurosyphilis

adults with neurosyphilis

congenital syphilis

Colaboradores

Autores

Juan C. Salazar, MD, MPH, FAAP

Professor and Chair

Department of Pediatrics

University of Connecticut School of Medicine

Physician in Chief

Connecticut Children’s

Hartford

CT

Divulgaciones

JCS is the author of references cited in this topic.

Agradecimientos

Dr Juan C. Salazar would like to gratefully acknowledge Adriana R. Cruz, Jairo M. Montezuma-Rusca, Nicholas Bennett, Patrick French, and Nooshin Barmania, previous contributors to this topic. We would also like to acknowledge our infectious diseases expert panel member, Dr Elisabeth Adderson, for her contribution to this topic.

Divulgaciones

PF is an author of a reference cited in this topic. EA, ARC, JMMR, NB, and NB declare that they have no competing interests.

Revisores por pares

Robert A. Larsen, MD

Associate Professor of Medicine

University of Southern California

Keck School of Medicine

Los Angeles

CA

Divulgaciones

RAL declares that he has no competing interests.

William Rodriguez, MD

Assistant Professor of Medicine

Harvard Medical School

Director of Research

Global Health Delivery Project

Harvard School of Public Health

Boston

MA

Divulgaciones

WR declares that he has no competing interests.

Jennifer Handforth, MB ChB, MRCPCH, DTM&H

Consultant Paediatrician

Croydon University Hospital

Croydon

UK

Divulgaciones

JH declares that she has no competing interests.

Agradecimiento de los revisores por pares

Los temas de BMJ Best Practice se actualizan de forma continua de acuerdo con los desarrollos en la evidencia y en las guías. Los revisores por pares listados aquí han revisado el contenido al menos una vez durante la historia del tema.

Divulgaciones

Las afiliaciones y divulgaciones de los revisores por pares se refieren al momento de la revisión.

Referencias

Nuestros equipos internos de evidencia y editoriales colaboran con colaboradores expertos internacionales y revisores pares para garantizar que brindemos acceso a la información más clínicamente relevante posible.

Artículos principales

Stoltey JE, Cohen SE. Syphilis transmission: a review of the current evidence. Sex Health. 2015 Apr;12(2):103-9.Texto completo  Resumen

British Association for Sexual Health and HIV (BASHH). UK national guidelines on the management of syphilis. December 2015 [internet publication].Texto completo

World Health Organization. Guidelines for the treatment of Treponema pallidum (syphilis). 2016 [internet publication].Texto completo

Workowski KA, Bachmann LH, Chan PA, et al. Sexually transmitted infections treatment guidelines, 2021. MMWR Recomm Rep. MMWR Recomm Rep. 2021 Jul 23;70(4):1-187.Texto completo  Resumen

World Health Organization. WHO guideline on syphilis screening and treatment for pregnant women. 2017 [internet publication].Texto completo

Artículos de referencia

Una lista completa de las fuentes a las que se hace referencia en este tema está disponible para los usuarios con acceso a todo BMJ Best Practice.
  • Syphilis infection images
  • Diferenciales

    • Genital herpes
    • Chancroid
    • Primary HIV infection
    Más Diferenciales
  • Guías de práctica clínica

    • Reducing sexually transmitted infections
    • UK national guideline on the management of sexually transmitted infections and related conditions in children and young people
    Más Guías de práctica clínica
  • Folletos para el paciente

    Syphilis: what is it?

    Syphilis: how is it diagnosed and treated?

    Más Folletos para el paciente
  • Videos

    Diagnostic lumbar puncture in adults: animated demonstration

    Venepuncture and phlebotomy: animated demonstration

    Más vídeos
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