When summer comes, imperfect bodies and local skin blemishes inevitably see the light of day, and the embarrassment of an ugly daughter-in-law meeting her mother-in-law happens every day, some people start to make all kinds of temporary fixes. For example, the number of people in a hurry to cure their grey nails on the clinic, began to multiply. Your grey nails, not necessarily grey nails Many people come in and say doctor you help me prescribe medicine for grey nails, but on closer examination I find that some of them are not grey nails at all. However, some people have been taking antifungal medication on their own for a long time, which is really pathetic and irritating. It’s no wonder that toenail deformation is the most familiar to everyone is the gray nail, got gray nail, a contagious two advertising, simply deep into the hearts of people. However, there are some common diseases that can also cause toenail deformities besides gray nails: nail dystrophy, nail stripping, longitudinal nail ridges, nail bruising, psoriatic nails, and flat nail moss. Among them, nail dystrophy and nail bruising are very common. 1, nail malnutrition Although named malnutrition, but not necessarily because of the lack of a certain vitamin or eating badly caused. Nail malnutrition may be related to the local nutrition can not keep up, but also may be other factors. If you can not find the cause, we do not have to look deep. The key is to look deeper into the unknown, the doctor has not been very clear. It is important to know that nail dystrophy is usually manifested by deformation of toenails and separation of toenails, but it is not related to gray nails. 2, under the nail stasis blood under the nail stasis is also very common, usually manifested as the nail becomes purple or brown, because the bleeding time varies, the color performance varies. The reason for the stasis of blood is the rupture of a blood vessel. The most common cause of blood vessel rupture is external force. However, if the doctor gives you a diagnosis of stasis under the nail, you don’t have to desperately think about where you’ve been smashed or stepped on. Everyone’s blood vessels are brittle differently, and some people can cause stasis after exercising, wearing new shoes, or even wearing stretchy socks. If the bleeding from the stasis under the nail is small, it can be absorbed; however, if it is large, it can cause separation or other deformities of the toenail.