What is the purple upper lip?

There are many reasons for purple lips, such as heart disease, lung disease and so on. Of course, some patients with purple lips do not suffer from these diseases, but are caused by "blood stasis".

When people are tired and anorexia, they will also be accompanied by the phenomenon of black lips. Clinical verification shows that if pigmentation appears on the edge of lips, it may be caused by renal insufficiency; When the lips are dark purple and slightly red, it may be an obvious symptom of blood hypoxia. Others, such as pneumonia, heart failure, asthma, cor pulmonale, constipation, abdominal pain, diarrhea, etc., can also lead to black lips. Because the causes are various, black lips should not be careless, so we should go to the hospital to check the causes in time so as to treat the disease.