Question

Healthy Nails

What does it mean if my nails have a light blue-gray discoloration?

A Answers (2)

  • AMehmet Oz, MD, Cardiology, answered
    One possible cause of blue-gray nail discoloration is using the drug minocycline. This broad-spectrum antibiotic has been found to turn nails a light blue-gray color. However, there are many other causes of nail discoloration as well, including fungal infection, chronic diseases and the use of various medications. Contact your doctor to get an accurate diagnosis and discuss the best treatment options for you.
  • AEllen Marmur, MD, Dermatology, answered

    Nails' color can be just as informative as their shape. It indicates either a collagen vascular disease or some kind of drug toxicity or hypersensitivity. For example, the antibiotic minocycline could cause a reaction.

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