What causes purple nails?

There are many reasons for purple nails. Observe whether there is external force abrasion, or nail injury bleeding, timely to the hospital to do hemostatic treatment, severe abrasion to be bandaged. Should also consider transient ischemia and hypoxia, anemia, insufficient nutrition caused by nails become purple, should be timely to oxygen-rich places, or oxygen therapy, ischemia and hypoxia may be caused by some diseases, such as heart disease, coronary heart disease, etc., should go to the hospital to find out the cause, symptomatic treatment. In addition, long-term work at low temperatures can also cause purple nails, should keep warm and seek medical treatment in a timely manner. Purple nails may also be foreign bodies too tightly wrapped around the fingers, resulting in long-term nail blood, should immediately remove the wrapped foreign bodies. In addition, hand moss, eczema, reflux gastritis, diabetic carpal tunnel syndrome, cyanosis, etc. can also cause purple nails, should be treated according to the doctor's guidance.