The body touched on the blue and purple may be capillary wall fragility, lack of vitamins, thrombocytopenia and other reasons.
1. Fragile capillary wall: If the capillary wall is fragile, the dermis and subcutaneous tissues are loose, and the ability to fix the blood vessels is reduced, there may be a situation where the body turns blue and purple when touched.
2. Lack of vitamins: if the body lacks vitamin C, capillary densities will be reduced, increased permeability, in the body of the slightest touch, may lead to capillary rupture, resulting in the emergence of blue and purple.
3. Thrombocytopenia: If the patient has thrombocytopenia, it will lead to abnormal coagulation function, when the body is hurt by external force, it can’t perform the normal coagulation function, which may cause the symptom of blue and purple when the skin is touched.
It is recommended that patients should go to regular hospitals in time to clarify the cause of the disease and give targeted treatment under the guidance of professional doctors.