Infection - skin around the nail
The main symptom is a painful, red, swollen area around the nail, often at the cuticle or at the site of a hangnail or other injury. There may be pus-filled blisters, especially with a bacterial infection.
Bacteria causes the condition to occur suddenly. If all or part of the infection is due to a fungus, it tends to occur more slowly.
Nail changes may occur. For example, the nail may look detached, abnormally shaped, or have an unusual color.
The doctor can usually diagnose this condition by simply looking at the sore skin.
Pus or fluid may be drained and sent to a laboratory to determine what type of bacteria or fungus is causing the infection.
Nail Diseases. In: Habif TP, ed. Clinical Dermatology. 5th ed. St. Louis, Mo: Mosby Elsevier; 2009:chap 25.
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