Caleb Foster
Green nails are usually caused by an infection known as green nail syndrome, which is caused by the bacteria pseudomonas aeruginosa. The infection can occur in two places: between the nail plate and the nail bed, or between the acrylics and the nail plate. Green nail syndrome is characterised by discolouration of the infected nail, inflammation of the skin around the nail, and an odour resembling fruit. The bacteria that causes the green nail is easily killed by alcohol, but the green stain will remain.
| Characteristics | Values |
|---|---|
| Cause | Bacteria called pseudomonas aeruginosa |
| Colour | Green to Black |
| Risk factors | Immunosuppression, frequent hand immersion in water, nail trauma, manicures, heat, dermatitis, ulcerations, occlusions, excess sweating, tight-fitting shoes, weakened epidermis barrier, age, psoriasis, triphenylmethane dyes, other stains and lacquers, chemical solutions |
| Symptoms | Discolouration, transverse green stripes, inflammation of the skin around the nail (paronychia), fruity odour |
| Treatment | Removal of gel or acrylic nails, alcohol |
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What You'll Learn
Green nail syndrome
The nail turns green due to the bacteria secreting pigments such as pyocyanin and pyoverdin. The infection can occur in two places: between the nail plate and the nail bed, or between the acrylics and the nail plate. As the infection progresses, the stain will spread on top or under your nails.
Preventative measures should be implemented by those who are most at risk of contracting green nail syndrome due to their predisposition or lifestyle and workplace choices. Wearing waterproof gloves or rubber boots can be effective in preventing prolonged exposure of the nails to water.
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Chloronychia or Goldman-Fox syndrome
Green nails are usually a sign of an infection known as green nail syndrome, chloronychia or Goldman-Fox syndrome. It is caused by the common bacteria pseudomonas aeruginosa, which secretes pigments such as pyocyanin and pyoverdin, resulting in discolouration of the nails from shades of green to black. The infection can occur in two places: between the nail plate and the nail bed, or between the acrylics and the nail plate.
Green nail syndrome is more likely to occur in individuals whose hands are frequently submerged in water, or who have damaged or traumatised nails. The elderly, people with a weakened immune system, and those who have had trauma to a finger or nail are at greater risk of contracting the infection. It has also been linked to manicures, heat, dermatitis, ulcerations, occlusions, and excess sweating.
The bacteria that causes green nail syndrome is easily killed by alcohol, so it is easy enough to cure. However, the green stain will remain, and a doctor should be consulted if the discolouration is paired with onycholysis, ingrown nails, or other nail diseases. Preventative measures such as wearing waterproof gloves or rubber boots can be effective in preventing prolonged exposure of the nails to water and reducing the risk of contracting the infection.
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Pseudomonas aeruginosa infection
Green nails are usually a sign of a bacterial infection known as green nail syndrome or 'greenies' (technically called chloronychia). The bacteria responsible for this infection is Pseudomonas aeruginosa, which secretes pigments such as pyocyanin and pyoverdin, causing the green discolouration.
The infection can occur in two places: between the nail plate and the nail bed, or between the acrylics and the nail plate. As the infection progresses, the green stain will spread and turn dark green or black. It may also occur as transverse green stripes that are linked to intermittent episodes of infection.
Green nail syndrome is more likely to occur in individuals whose hands are frequently submerged in water, or who have damaged or traumatised nails. It is also linked to manicures, heat, dermatitis, ulcerations, occlusions, and excess sweating. The elderly, people with a weakened immune system, and those who have had trauma to a finger or nail are at greater risk of contracting the infection.
If you notice green nails, it is important to remove any gel or acrylic nails to check if the natural nails are also infected. The bacteria that causes green nail syndrome is easily killed by alcohol, so it is easy to cure. However, the green stain may remain even after the bacteria is dead. If the green nails are paired with other nail diseases, such as onycholysis or ingrown nails, it is recommended to consult a doctor, especially for those with reduced immunity, illnesses, or who are elderly or weak.
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Onycholysis and ingrown nails
Green nails are usually caused by an infection known as green nail syndrome or 'greenies' (technically called chloronychia). This infection is caused by the common bacteria pseudomonas aeruginosa. The bacteria's waste is responsible for the green discolouration on nails, which can spread and turn dark green or black. Green nail syndrome is more likely to occur in people who frequently submerge their hands in water, have damaged or traumatised nails, or have a weakened epidermis barrier. It is also linked to manicures, heat, dermatitis, ulcerations, occlusions, and excess sweating.
Onycholysis is a nail disease that can occur alongside green nail syndrome and ingrown nails. If you notice green nails and any of these other nail diseases, it is recommended that you consult a doctor, especially if you have reduced immunity, illnesses, or are elderly and weak.
To prevent green nail syndrome, it is recommended that those at risk implement preventative measures, such as wearing waterproof gloves or rubber boots to avoid prolonged exposure of the nails to water. Avoiding trauma to the nails and maintaining a healthy epidermis seal are also important in preventing green nail syndrome recurrences.
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Green dip powder manicures
If your nails turn green, it could be a sign of an infection known as green nail syndrome or chloronychia. This is caused by the bacteria pseudomonas aeruginosa, which is linked to hands being constantly moist or exposed to chemicals, or in individuals who have damaged or traumatised nails. It is also more common in the elderly and people who have had trauma to a finger or nail.
However, green nails can also be caused by a manicure, so if you have recently had a green dip powder manicure, this could be the reason for the discolouration. Dip powder manicures are known for their durability and long-lasting shine. The process involves prepping the natural nail, applying a base coat, and then dipping the nail into a fine, pigmented powder. The pigment in the powder gives a rich, shiny colour, and the manicure is considered a healthy alternative to traditional acrylic nails. It is also low-maintenance and requires zero drying time, meaning you can go about your day immediately after the manicure without worrying about smudges.
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Frequently asked questions
It could be a bacterial infection called green nail syndrome, which is caused by the bacteria pseudomonas aeruginosa.
The nail will be discoloured, ranging from shades of green to black. There may also be inflammation of the skin around the nail, known as paronychia, and an odour resembling fruit.
Those with weakened immune systems, the elderly, people who have had trauma to a finger or nail, and those whose hands are frequently immersed in water or exposed to chemicals. It is also linked to manicures, heat, dermatitis, ulcerations, occlusions and excess sweating.
The bacteria that causes the infection is easily killed by alcohol, but the green stain will remain.
