Green nail syndrome

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Green nail syndrome
Green nail syndrome
Synonyms Chloronychia
Pronounce N/A
Specialty N/A
Symptoms Green discoloration of the nail
Complications Paronychia, onycholysis
Onset Gradual
Duration Persistent until treated
Types N/A
Causes Pseudomonas aeruginosa infection
Risks Frequent exposure to water or moist environments
Diagnosis Clinical examination, culture
Differential diagnosis Fungal nail infection, trauma
Prevention Keeping nails dry, avoiding prolonged exposure to water
Treatment Topical antibiotics, vinegar soaks
Medication N/A
Prognosis Good with treatment
Frequency Rare
Deaths N/A


Chloronychia
Elaphe mandarina

Green nail syndrome (GNS), also known as Chromonychia, is a nail disorder characterized by greenish discoloration of the nails. It is often caused by a bacterial infection, specifically by the bacteria Pseudomonas aeruginosa.

Causes[edit]

The primary cause of green nail syndrome is infection with the bacteria Pseudomonas aeruginosa. This bacteria is commonly found in the environment and can enter the body through a break in the skin or nail. The bacteria produce a green pigment called pyocyanin, which is responsible for the green discoloration of the nails.

Symptoms[edit]

The main symptom of green nail syndrome is a greenish discoloration of the nails. Other symptoms may include:

  • Nail discoloration (usually green, but can also be black or blue)
  • Nail thickening
  • Nail crumbling
  • Nail detachment

Diagnosis[edit]

Diagnosis of green nail syndrome is typically based on the characteristic green discoloration of the nails. A doctor may also take a nail sample to confirm the presence of Pseudomonas aeruginosa.

Treatment[edit]

Treatment for green nail syndrome usually involves topical or oral antibiotics to eliminate the Pseudomonas aeruginosa infection. In severe cases, the affected nail may need to be removed.

Prevention[edit]

Prevention of green nail syndrome involves good nail hygiene, such as keeping the nails clean and dry, and avoiding nail trauma.

See also[edit]

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