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Chronic paronychia is an infection of the folds of tissue surrounding the nail of a finger or, less commonly, a toe, lasting more than six weeks. [4] It is a nail disease prevalent in individuals whose hands or feet are subject to moist local environments, and is often due to contact dermatitis .
Occasionally infection occurs on the toes or on the nail cuticle. Herpes whitlow can be caused by infection by HSV-1 or HSV-2. [ 1 ] HSV-1 whitlow is often contracted by health care workers that come in contact with the virus; it is most commonly contracted by dental workers and medical workers exposed to oral secretions.
A whitlow or felon is an infection of the tip of the finger. [ 1 ] [ 2 ] [ a ] Herpetic whitlow and melanotic whitlow (subungual melanoma) are subtypes that are not synonymous with the term felon . A felon is an "extremely painful abscess on the palmar aspect of the fingertip". [ 6 ]
Nails with a yellow-ish tone, could be a characteristic of a fungal infection that generally grows within the nail. Topical medications usually won't work and you should go to a doctor for treatment.
A case of fungal infection of the big toe Advanced fungal infection of the big toe. The most common symptom of a fungal nail infection is the nail becoming thickened and discoloured: white, black, yellow or green. As the infection progresses the nail can become brittle, with pieces breaking off or coming away from the toe or finger completely.
For home treatment, the American Academy of Dermatology recommends clipping the loose piece of skin with a clean nail clipper or nail scissors, and applying over-the-counter antibiotic ointment if the area appears inflamed. Persistent hangnails should be evaluated by a physician. [5]
In this condition, the nail cuts into one or both sides of the nail bed, resulting in inflammation and possibly infection. The relative rarity of this condition in the fingers suggests that pressure from the ground or shoe against the toe is a prime factor.
Swimmers have been warned to give seals their distance amid fears of a “seal finger” infection if bitten by the aquatic mammals that are gathering in their hundreds around the UK coastline.