Doctor I have a fade line on my foot nail what...

whart is the treatment of the fade lines of the nails ?
the treatment is depending upon the cause but in general the treatment can range from no treatment to chemotherapy or surgical therapy and this line is a sign not a disease itself 
what are the diagnostic tests in such cases ?
the diagnosis in based upon the past medical history and the clinical examination of the patient , a sampl of the line might be taken in case of melanoma is suspected and also a thyroid profile might be needed in case of thyroid imbalance is suspected 
what are the causes of fade lines in the nails ?

• melanoma 
• splinter haemorrhage 
• thyroid disease 
• fungal infection 
• vasculitis 
• raynauds disease 
• lupus 
• linchen planus 

what is the advice ?
we advice you to visit the family medicine doctor for the right diagnosis and the correct treatment or for the referral to the right speciality dpepnding on the case and clinical examination