What is lymphangitis caused by?

Lymphangitis is primarily caused by bacterial infections, most commonly due to Streptococcus or Staphylococcus species, which enter the lymphatic system through breaks in the skin, such as cuts or insect bites. It can also be triggered by viral or fungal infections, as well as certain underlying conditions that compromise the immune system. Symptoms typically include redness, swelling, and pain along the affected lymphatic vessels. Prompt medical treatment is essential to prevent complications.