The bottom line
Ridges in the fingernails are often normal signs of aging.
Slight vertical ridges commonly develop in older adults.
In some cases, they may be a sign of health problems like vitamin deficiencies or diabetes.
Deep horizontal ridges, called Beau’s lines, may indicate a serious condition.
What do vertical lines on fingernails mean?
Having vertical (longitudinal) ridges on the fingernails refers to the presence of tiny raised lines or ridges that run up and down the length of the nail. Ridges are among the different kinds of nail abnormalities that can develop due to aging, nail injury, or trauma, or underlying medical conditions.
How do I get rid of ridges on my fingernails?
Nail ridges that arise from a lack of the body’s natural oils are easy to treat. Your first line of defense: moisture. Try applying nail oil, vitamin E oil, coconut oil, or olive oil to your nails to help prevent ridges from forming in the first place.3 Jun 2019
Can thyroid cause ridges in fingernails?
Thyroid diseases such as hyperthyroidism or hypothyroidism may cause brittle nails or splitting of the nail bed from the nail plate (onycholysis). Severe illness or surgery may cause horizontal depressions in the nails Beau lines.16 Apr 2019
What do your nails tell you about your health?
Did you know your nails can reveal clues to your overall health? A touch of white here, a rosy tinge there, or some rippling or bumps may be a sign of disease in the body. Problems in the liver, lungs, and heart can show up in your nails.