Does your Fingernail have Ridges, What does it mean? - South Arkansas Sun

You might not think about your fingernails very much beyond cutting them every once in a while

Or maybe you paint them or get them done at the salon, seeing them as a way to express yourself and your sense of style

Most often, it can point to poor nutritional intake or poor digestion. But sometimes it can indicate more serious conditions, like kidney disease

Hair, skin, and nails contain the same protein, keratin. And, just as the hair and skin get drier as we age

It's less common to experience horizontal ridges on the nails, or ridges that run side to side. These are known as Beau's lines

Often, they can be due to injury to the nail bed that stops the nail from growing, like jamming your finger in the door or getting injured during a manicure

But sometimes these horizontal lines can be due to something more serious, like acute kidney disease

If Beau's lines show up on all 20 fingernails and toenails, it could be a symptom of parathyroid disease, mumps, unmanaged diabetes, syphilis

Learn more