Nothing too serious: Although you are a young woman, these are not uncommon as we age. They may reflect a b vitamin deficiency and might benefit from supplements or dietary changes. If they were across the nail, it would be a different matter. That could be a sign of a serious medical problem for which you'd want to see a doctor. Happily, your ridges run from the base to the tip.
Answered 6/1/2016
5k views
4 doctors weighed in across 2 answers
4 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question