Acute lymphangitis is defined as the spreading of infection from its focus along regional lymphatic vessels. It may result in lymphadenitis. Commonly, an abscess forms at the regional nodes. Occasionally, the infection bypasses one group of nodes to affect another at a higher level.
Lymphangitis is commonly due to Streptococcus pyogenes; less often, to Staphylococci. It presents as red blushes and streaks in the skin corresponding to the inflamed lymphatics.
Treatment is bed rest with the affected limb elevated. Cloxacillin normally brings rapid resolution. Incision should be made only if there are definite signs of pus.
Permanent lymphatic obstruction may develop resulting in a persistent oedema. Repeated attacks cause chronic lymphangitis.
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