If you have spots on nails or deformed nails, this can result from a fungal infection. To find out whether is indeed the case, however primarily is necessary to make a microbiological study to confirm the presence of nail fungus.
You can use the following recipe for a natural treatment.
Before going to sleep put pure honey (candied) on nails and around
Then cover them with plastic foil ..
At the top, put a sock to stay overnight. Morning wash without soap only with water. Do not interrupt therapy for 2 weeks or until complete disappearance the fungus (if they are long-standing and persistent).