Doctor's Notes on Finger Infection
A finger infection is an infection of the skin, soft tissue, or bone of the finger. The cause of the infection is typically a virus or bacteria, and a number of different organisms can cause a finger infection. Examples of medical conditions characterized by finger infection include herpetic whitlow, paronychia, felon, infectious flexor tenosynovitis, cellulitis, and deep space infection. Paronychia is a special type of infection that involves the nail.
Symptoms of finger infection may include:
- abscess with drainage of pus,
- difficulty moving the finger,
- changes in the nails, and
- joint pain.
The specific symptoms depend on the specific organism that is present along with the type of infection.
What Is the Treatment for Finger Infection?
Treatment for finger infection depends on the cause and severity of the infection as well as the location of the infection. Treatment options may include:
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CellulitisCellulitis is a bacterial infection of the skin and soft tissues that causes swelling, redness, tenderness and warmth. Treatment will involve antibiotics. Severe infection may require IV or intramuscular antibiotic injections.
Fungal Nail Infection (Onychomycosis)Onychomycosis is an infection of the fingernails and/or toenails by fungus. The infection causes nails to discolor, thicken, and split, which can cause discomfort, especially in toenails. Onychomycosis is most common in adults, especially the elderly.
Paronychia (Nail Bed Infection)Paronychia is an inflammation of the folds of tissue surrounding the nail most commonly due to infection. Learn about causes, symptoms, home remedies, and treatment.
Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.