A member asked:

Fingernails are weak and brittle what could it be?

A doctor has provided 1 answer

Nail infection: Weak and brittle nails may be due to onychomycosis, or a fungal infection of the nail. Other skin conditions such as psoriasis and lichen planus can also lead to nail changes. A dermatologist can evaluate the extent of involvement as well as type of nail changes to diagnose your condition if you feel it is necessary.

Answered 10/18/2012

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