Finger Infection Topic Guide
Finger Infection: Finger infections can be caused by a variety of bacteria and viruses. Types of finger infections include paronychia, felon, herpetic whitlow, cellulitis, infectious flexor tenosynovitis, and deep space infection. Symptoms and treatment of a finger infection depend on the type.
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.