Acute<unk>  is usually caused by bacteria. It is often treated with antibiotics, either topical (applied to the skin) or oral (taken by mouth), or both. Chronic<unk>  is most often caused by a yeast infection of the soft tissues around the nail, but can also be traced to a bacterial infection. If the infection is continuous, the cause is often fungal and needs antifungal cream or paint to be treated. Risk factors include repeatedly washing hands and trauma to the cuticle such as may occur from repeated nail biting. or hangnails. In the context of bartending, it is known as "bar rot". Prosector's<unk>  is a primary inoculation of tuberculosis of the skin and nails, named after its association with prosectors, who prepare specimens for dissection.<unk>  around the entire nail is sometimes referred to as "runaround<unk> ". Painful<unk>  in association with a scaly, erythematous, keratotic rash (papules and plaques) of the ears, nose, fingers, and toes may be indicative of acrokeratosis paraneoplastica, which is associated with squamous-cell carcinoma of the larynx.<unk>  can occur with diabetes, drug-induced immunosuppression, or systemic diseases such as pemphigus.
Paronychia
Onychomycosis
Leukonychia
Anonychia
Chromonychia
Melanonychia
Platonychia
Trachonychia