What Are Some Possible Reasons for Horizontal Ridges on Toenails?


Quick Answer

Some of the possible reasons for horizontal ridges on toenails include poisoning, a nutritional problem and problems that interrupt normal growth of nails such as an acute illness, explains Healthgrades. Horizontal ridges that present with discoloration may also be a symptom of a life-threatening underlying disorder.

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Full Answer

Horizontal nail ridges are lines that run across the nail, typically developing in adulthood, explains Healthgrades. They can indicate a serious systemic disease or infection within the body. Patients who notice sudden formation of these ridges are advised to seek prompt medical care for evaluation. Other symptoms that vary depending on the disorder, disease or condition, may present with nail ridges.

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