Greenish black toenail. It’s not pretty, but is green nail syndrome dangerous? The color can vary. The most common cause of chromonychia is the pseudomonas aeruginosa bacteria. Patients likely have a history of prolonged exposure to water or detergents (soaps), or an ungual trauma. A severe fungal infection can cause the nail to change from green to black. Learn how to get rid of a black toenail and when to see a healthcare provider. Since the discoloration is underneath the nail, it will not disappear with washing or scrubbing. Green or Black Nails Green nails could suggest a common fungal infection caused by the bacteria Pseudomonas aeruginosa. The green discoloration varies from blue-green to dark green to bluish-grey. It’s important to know that the color isn’t always the same shade of green. The culprit is usually bacteria that thrive in damp or wet conditions. Abstract Green nails, also known as chloronychia or green nail syndrome, are characterized by green discoloration of the nail plate (greenish-yellow, greenish-brown, greenish-black), proximal chronic non-tender paronychia, and distolateral onycholysis. Aug 28, 2018 · Green nail syndrome is usually confined to one or two nails or it can also involve all the nails and can involve fingernails or toenails. Jun 18, 2025 · Black toenails can be caused by an injury, infections, diabetes, and more. Mar 19, 2025 · Green nail syndrome, also known as chromonychia, is a nail disorder characterised by onycholysis and green-black discolouration of the nail bed. Think hot tubs, sponges, even See full list on healthline. Green nail syndrome (GNS) is an infection of the nails that leads to a greenish discoloration of nails, also known as chloronychia. The condition is often associated with chronic paronychia. . This bacterium grows and flourishes in wet environments. Get expert foot care tips for healthy toenails. com Mar 13, 2019 · Green nail syndrome is caused by infection with Pseudomonas aeruginosa. The cause is Pseudomonas aeruginosa infection of the nail plate in persons whose hands are constantly exposed to water, soaps, and detergents Dec 7, 2023 · Learn about the causes, symptoms, and treatment options for green nail syndrome, a condition characterized by a green discoloration of the nails caused by bacterial or fungal infection. Apr 22, 2025 · Discover the causes of green toenails, commonly caused by Pseudomonas aeruginosa bacteria, and learn how to treat and prevent green nail syndrome effectively. Green nail syndrome is generally caused by bacteria called Pseudomonas aeruginosa. Mar 27, 2025 · Green nail syndrome, also called chloronychia, is a bacterial infection that causes a nail to turn green. You might see greenish-black or even yellowish-brown. Mar 10, 2021 · Red nail beds may be a more severe health sign that indicates possible heart disease. Jun 26, 2022 · It could be green-nail syndrome (chloronychia), which is caused by an infection. ppoo 56 9pv hguxc zptx 6y 5afostq uxkwj bvjvke rab