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Lymphangitis in Infant/Neonate
Other Resources UpToDate PubMed

Lymphangitis in Infant/Neonate

Contributors: Laurie Good MD, Jeffrey D. Bernhard MD, Lowell A. Goldsmith MD, MPH
Other Resources UpToDate PubMed


Lymphangitis is an inflammation of the lymphatic system caused by introduction of foreign material, most commonly infectious. Penetrating trauma and spread of primary infection, such as cellulitis, erysipelas, or an abscess, are the most common causes of lymphangitis. Lymphangitis may be a sign of a worsening superficial infection. Clinicians should have a high level of concern, as cases of lymphangitis caused by group A streptococci have an increased risk of sepsis and subsequent morbidity and mortality.

Symptoms typically include a primary site of infection, due to either trauma or local infection, with erythematous streaks following the lymphatic vessels back toward regional lymph nodes. Tenderness and warmth can be found along the areas of erythema and over the lymph nodes, which can also be enlarged. Signs of systemic infection such as fever, chills, malaise, and loss of appetite can also be present and may indicate a more severe infection. The most common causative agent is group A beta-hemolytic streptococci followed by Staphylococcus aureus and Pseudomonas species. Viral as well as filarial causes have also been documented.

Variant presentations do exist, including nodular lymphangitis and sclerosing lymphangitis of the penis. Nodular lymphangitis is most commonly caused by Sporothrix schenckii, Nocardia brasiliensis, Mycobacterium marinum, Leishmania braziliensis, and Francisella tularensis. The presentation of nodular lymphangitis differs in that it presents with subcutaneous nodules along the infected, erythematous lymphatic vessels. Sclerosing lymphangitis of the penis, though rare, typically presents with a cordlike skin-colored lesion along the penile shaft or coronal sulcus. It is not an infection; its cause is not known. Many cases have an antecedent STD; perhaps inflammation is a trigger.

Patients with immunodeficiency are at increased risk of lymphangitis as well as progression to sepsis and treatment failure.

Risk factors for the development of lymphangitis include penetrating trauma or a primary source of infection, such as cellulitis. Underlying lymphedema, as may be seen after mastectomy and/or regional lymph node dissection, may also be a predisposing factor.

Pediatric Patient Considerations:
This population is more susceptible to infections by gram negative bacteria, and antibiotic choices may need to be tailored accordingly (second or third generation cephalosporins).

Immunocompromised Patient Considerations:
Immunocompromised patients are at increased risk of developing lymphangitis as well as systemic spread of infection. This population is also more susceptible to infections by gram negative bacteria, and antibiotic choices may need to be tailored accordingly (second or third generation cephalosporins).


I89.1 – Lymphangitis

1415005 – Lymphangitis

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Differential Diagnosis & Pitfalls

The differential diagnosis of lymphangitis includes the following:
  • Superficial thrombophlebitis – More likely in patients with increased risk of blood clots; typically does not have signs of infection (fever, lymphadenopathy).
  • Cellulitis or Erysipelas – Can be the cause of lymphangitis, although the distribution may not follow lymphatics.
  • Sporotrichosis – Diagnosis is confirmed by fungal culture; S. schenckii grows on many media in 3-5 days. This can also present as nodular lymphangitis.
  • Necrotizing fasciitis

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Last Updated:11/11/2021
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Lymphangitis in Infant/Neonate
A medical illustration showing key findings of Lymphangitis : Chills, Fever, Erythema, Linear configuration, Tender lymphadenopathy
Clinical image of Lymphangitis - imageId=6150795. Click to open in gallery.
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