Nails are the index of your health. The color of the nail will indicate the type of disorder or disease you have. Many kinds of primary health conditions are reflected in the form of change in nail color. Brown spots on nails or brown coloration of the entire nail can be a symptom of deficiency of nutrition or even kidney disease. It can also be indication of skin problems like psoriasis or blood related disease like anemia. Sometimes it can be simple reason of nail infection. Any type of nail discoloration can be treated if the underlying factor is known.
Causes :
Dark fingernails and toenails can be caused by vitamin B12 deficiency. Sometimes the tips of the nail become dark which is indicative of kidney problem. Skin disorder like psoriasis can also cause brown spots on nails. Kidney problems may also be the reason for change in color of the nails. Psoriasis will affect the nails and may cause brown spots on it. Deficiency of nutrients like vitamins, proteins and folic acid may also affect the nails and cause brown spots.
Sometimes fungal infection on the nails can cause discoloration. Skin cancer can effectively change the nail color making brown spots on nails.
Symptoms :