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Overview

Lymphangitis: Overview

Lymphangitis is inflammation and infection of one or more lymphatic vessels, which help move fluid and immune cells through the body. It is usually caused by bacteria that enter through a break in the skin and travel into nearby lymph vessels. People with wounds, skin infections, lymphedema, diabetes, or a weakened immune system may have a higher risk of this lymphangitis disease.

Symptoms

Lymphangitis Symptoms

  • Red streaks (lymphangitic streaking)
  • Swollen lymph nodes (lymphadenopathy)
  • Fever
  • Chills
  • Pain
  • Warmth
  • Swelling
  • Feeling unusually tired or unwell

Seek prompt care

Symptoms can spread quickly

Rapidly spreading red streaks, fever, or feeling very unwell can signal a worsening infection. Arrange prompt medical assessment, even if the original wound looks small.

Causes

Causes of Lymphangitis

Lymphangitis usually begins when bacteria, commonly streptococci or staphylococci, enter through a cut, bite, puncture, ulcer, or another skin infection. The bacteria can then move through nearby lymphatic vessels, causing inflammation and the characteristic red streaks. This process is often called acute lymphangitis.

  • A cut, scrape, or other open wound can allow bacteria to enter the skin and lymphatic system.
  • An insect or animal bite can introduce bacteria through a puncture wound.
  • An infected ulcer or pressure sore can spread infection into nearby lymph vessels.
  • Cellulitis or another untreated skin infection can trigger lymphangitis.
  • Fungal infections can rarely cause lymphangitis, especially when they involve damaged skin.
  • Atypical infections can cause nodular lymphangitis after environmental exposure, such as contact with soil, plants, or contaminated water.

Risk Factors

Risk Factors for Lymphangitis

SKIN-ENTRY RISKS

Wounds, ulcers, insect or animal bites, punctures, tattoos, and untreated skin infections can provide an entry point for bacteria.

HEALTH-RELATED RISKS

Lymphedema, diabetes, immune suppression, and prior damage or surgery involving the lymphatic system can make infection more likely or harder to clear.

Some risks can be reduced by cleaning and covering wounds promptly, treating skin infections, and managing diabetes as advised. Lymphedema, immune problems, and previous lymphatic damage are underlying conditions that require guidance from a healthcare professional. Ask a clinician about prevention if lymphangitis has happened more than once.

Complications

Lymphangitis Complications

  • Cellulitis can spread through the deeper layers of skin and soft tissue.
  • An abscess can form when pus collects at the original infection site.
  • Bloodstream infection (sepsis) can develop if bacteria spread throughout the body.
  • Infection can extend into deeper tissues and cause more extensive damage.
  • Recurrent lymphangitis can occur, especially when an underlying risk is not treated.
  • Persistent lymphatic swelling (lymphedema) can develop if lymphatic drainage is damaged.

Complication warning

Know the emergency signs

Rapidly worsening redness, high fever, confusion, faintness, fast breathing, or severe weakness may indicate a medical emergency. Seek emergency care rather than waiting for symptoms to improve.

Diagnosis

Diagnosis of Lymphangitis

Clinicians usually diagnose lymphangitis from your medical history and an examination of the wound or other entry point. They look for red streaks, tenderness, swollen lymph nodes, fever, and signs that the infection is affecting your overall condition. Testing is selected based on the severity of illness and whether another source or complication is suspected.

  • Blood tests can look for signs of systemic infection or inflammation.
  • A wound culture can help identify the bacteria causing infection when the illness is severe, unusual, or not responding to treatment.
  • A blood culture may be taken when bloodstream infection is a concern.
  • Ultrasound or other imaging can help find an abscess or deeper infection.

Treatment & Management

Lymphangitis Treatment and Management

Suspected bacterial lymphangitis generally needs prompt prescription antibiotics. A clinician chooses the medicine based on the severity of infection, likely bacteria, allergies, local resistance patterns, and culture results when available. Do not delay assessment while waiting to see whether the infection improves on its own.

  • Resting and elevating the affected limb can help reduce discomfort and swelling.
  • The entry wound should be cleaned and covered as directed by a healthcare professional.
  • An abscess may need to be opened and drained by a clinician.
  • Associated cellulitis and other skin infections require treatment at the same time.
  • Severe or spreading infection may require hospital care and intravenous antibiotics.

Prevention

Preventing Lymphangitis

  • Wash minor cuts with clean running water.
  • Cover wounds with a clean dressing until they heal.
  • Avoid picking at sores, scabs, or irritated skin.
  • Protect your skin from insect bites, animal bites, and punctures.
  • Treat athlete’s foot and other skin infections promptly.
  • Follow your care plan for lymphedema or diabetes.

Lymphangitis cannot always be prevented, but early care for skin injuries and infections can reduce the risk. Seek medical advice if a wound becomes increasingly red, painful, swollen, or warm.

Outlook and Prognosis

Outlook and Prognosis for Lymphangitis

The outlook is usually favorable when lymphangitis treatment starts promptly. Fever, redness, and tenderness may take time to improve, even after antibiotics begin. Severe or recurrent infection, an underlying lymphatic condition, or a delayed diagnosis can prolong recovery and increase the risk of complications.

When Should You See a Doctor

When Should You See a Doctor for Lymphangitis?

  • Confusion can be a sign of severe infection.
  • Fainting requires emergency medical attention.
  • Trouble breathing is an emergency warning sign.
  • Severe weakness may indicate a serious systemic infection.
  • A very rapid heartbeat can occur with a dangerous infection.
  • Cold or clammy skin requires urgent assessment.
  • Rapidly worsening illness should be treated as an emergency.

Get medical care

Seek same-day assessment

Arrange same-day medical evaluation for red streaks from a wound, rapidly spreading redness or swelling, fever, chills, swollen lymph nodes, increasing pain, or suspected lymphangitis. Prompt treatment with appropriate lymphangitis antibiotics can help prevent the infection from spreading.

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Tests & Procedure

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Symptoms

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  • Lymphangitis

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