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A healthy, normal nail is smooth, without ridges or grooves (although these are often normal variants). Ideally, all the nails are uniform in color and consistency and free of spots or discoloration.
A healthy nail is smooth and consistent in color. To keep nails healthy, make sure they are trimmed, clean and dry. White spots on nails are harmless, as are vertical ridges. But if your nails are discolored, or become thicker or thinner, or change in shape, make an appointment with your primary care doctor or dermatologist. These changes may signal a medical condition. If the skin around your nails becomes swollen, or if you experience bleeding or pain, you may have an infection, and should consult your doctor.
Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.