What are the symptoms of nail infection?

onychomycosis is mainly caused by fungal infection, which first infects the skin and then infects the nails. It mainly includes endogenous factors and exogenous factors. Endogenous factors are mainly local excessive moisture, which is easy to breed fungal infection. Exogenous factors and others share the foot basin and so on will be infected. Treatment of onychomycosis can be external ointment, oral medicine, for serious cases need surgery. Treatment time may be long, requiring patient patience.