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

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  1. Dr. Mehmet Oz
     
    Dr. Mehmet Oz 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.
    More Related Answers from Dr. Mehmet Oz
    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,... More
  2. Dr. Ellen Marmur
     
    Dr. Ellen Marmur 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.

    More Related Answers from Dr. Ellen Marmur
    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. More