Fingernail or toenail abnormalities
Yellow nails can also be caused by any of the following:
Green-black nails can be caused by overgrowth of bacteria called pseudomonas, particularly under loose nails. It can be treated by applying antibiotic eye drops underneath the nails or soaking the affected nails in an antiseptic solution or vinegar.
Grey nails can be caused by medications such as antimalarials or minocycline.
Brown nails can sometimes be caused by thyroid disease, pregnancy, malnutrition and frequent use of nail varnish.
If the discolouration looks like a drop of oil under the nail or is the colour of salmon, you may have psoriasis of the nails.
Fingernails that are half white and half brown (brown near the tips) can be a sign of kidney failure , where the kidneys stop working properly.
The link isn't fully understood, but one theory is that kidney failure causes chemical changes in the blood that encourage melanin (a skin pigment) to be released into the nail bed.It's also possible that kidney failure causes an increase in the number of tiny blood vessels in the nail bed.
It's estimated up to 40% of people with kidney failure have "half-and-half" fingernails. They also sometimes occur in people with AIDS and those who've had chemotherapy.
Find out about a number of different nail abnormalities, including brittle or crumbly nails, thickened, overgrown nails, indented, spoon-shaped nails and an infected nail fold.
Brittle nails are often just a sign of ageing or long-term exposure to water or chemicals such as detergents and nail polish. Wearing gloves will help protect your nails while doing work where your ha
The most common causes of a yellow nail are fungal nail infections or nail psoriasis . Yellow nails can also be caused by any of the following: frequent application of nail varnish lymphoedema a
If most of the nail has turned white and it isn't because it has become detached from the nail bed, it's likely to be either a fungal nail infection or a sign of decreased blood supply to the nail bed
A common cause of thickened nails is a fungal nail infection . This can also cause them to discolour and become crumbly (see above). Other possible causes of thickened or overgrown nails are: psori
It's normal for a toenail to come loose and fall off after an injury to the toe. Another common cause of a loose nail is over-manicuring the nails and cleaning underneath them with a sharp object. Les
If your finger nails curve inwards like spoons (koilonychia), you may have one of the following disorders: iron-deficiency anaemia haemochromatosis where the body retains too much iron Raynaud's
Pitting or small dents on the surface of your nails can be a sign of any of the following conditions: psoriasis eczema a long-term skin condition that causes the skin to become itchy, red, dry and
Deep lines or grooves that go from left to right across the nail are known as Beau's lines .They may occur as a result of: a previous illness the line forms at the time of the illness having chemothe
Clubbing of the fingertips means the tissue beneath the nails thickens and the fingertips become rounded andbulbous. The fingernails curve over the rounded fingertips. Clubbing isthought to be
Whitespots or streaks are normal and nothing to worry about, but parallel white lines that extend all the way across the nails, known as Muehrcke's lines, are a sign of low levels of proteinin the blo
Dark stripes running down the nails (linear melanonychia) are fairly common in black people over 20 years of age, and in most cases it's perfectly normal. However, dark stripes shouldn't be ignored be
If you have littlered or brown streaks underneath your nails, it's likely they're splinter haemorrhages lines of blood caused by tiny damaged blood vessels. A few splinters under one nail are nothing
Nails can be destroyed by: injury, including nail biting skin conditions, such as psoriasis or lichen planus overgrowth of the surrounding tissues, which is usually harmless for example, caused by
Paronychia is inflammation of the nail fold (the skin and soft tissue that frames and supports the nail). It's most commonly caused by infection, injury or irritation, and is about three times more co