What can cause horizontal stripes on my fingernails?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
If you notice white horizontal stripes on your unpainted nails, it could indicate kidney disease. Healthy kidneys filter waste from the blood but leave vital protein. Impaired kidneys may fail to separate the protein from the wastes, harming your body. If the bands on your fingernails are not caused by injury and are accompanied by fatigue, this could be a sign of protein deficiency and you should see a doctor for a urine test.
This content originally appeared on doctoroz.com

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