

Red or brown little streaks under the nails Generally, this type of cancer only affects one nail.
GRAYISH PURPLE NAILS SKIN
However sometimes it may indicate a skin cancer that affects the nail bed, called subungual melanoma. This is common among black people and in most cases it’s normal. Don’t confuse it with white spots or streaks that are normal, but when there are parallel white lines across the nails, it’s a sign of low levels of protein in the blood, which can be due to malnutrition or liver disease. In this case the lines run parallel to the base of the fingernail. It can be harmless due to increased blood flow to the fingertips, and can run in families, but if it suddenly occurs, it may indicate low oxygen level in the blood that can indicate lung disease, as well as other ailments such as heart disease, inflammatory bowel disease (IBD), liver disease and AIDS. This is when the fingertips and nails are unusually curved around the fingertips. If you notice deep lines or grooves that run across the nail, it might be a result of having chemotherapy, a previous injury, exposure to cold temperatures, Raynaud’s disease that affects the blood supply to the fingers and toes, diabetes, vascular disease, zinc deficiency and illnesses associated with a high fever. Grooves across the fingernails (Beau’s lines) Pitting or small dents on your nails can indicate psoriasis, eczema, reactive arthritis, and alopecia areata (hair loss due to autoimmune disease).ħ. When your finger nails curve inwards and look scooped out, it may indicate iron-deficiency (anemia), hemachromatosis (liver condition which results in iron overlaod), Raynaud’s disease (that affects the blood supply to the fingers and toes), heart disease and hypothyroidism. When the fingernails become loose and can separate from the nail bed, it may indicate an injury or infection, as well as thyroid disease, psoriasis, poor circulation or allergic reaction to medicine. Yellowish, thickened, slow-growing nails can also indicate lung diseases. There are a few reasons for having thick nails but they are commonly caused a fungal nail infection, but can also result from psoriasis and reactive arthritis (a painful form of inflammatory arthritis). White nails – might be a sign of aging, fungal nail infection or iron deficiency (anemia), as well as other range of ailments, such as: cirrhosis (scarring of the liver), kidney or heart failure, diabetes, hyperthyroidism, malnutrition or after chemotherapy. Fingernails that are half white at the bottom and half brown near the tips can be a sign of kidney failure, AIDS or appear after chemotherapy. Grey nails – can be caused by certain medications.īrown nails – can indicate a thyroid disease or malnutrition. Green-black nails – indicate bacterial infection that usually occurs under loose nails.īluish or purple fingernail beds may indicate oxygen deprivation. For more information, read my article about the most common causes of yellow nails.

It can also indicate several other ailments, such as: jaundice due to liver problem (also see my other post about early signs of liver damage), sinus infection, a problem with the thyroid gland, lung infection and lymphedema (fluid retention that generally occurs in arms or legs). Yellow nails can occur due to a long use of nail varnish, but can indicate fungal nail infection or psoriasis.
