Digestive system abnormalities: loss of appetite, constipation, diarrhea, abdominal distension, and black lips.
People with black lips or purple-black spots may lack vitamin C.
Blue lips:
Because of poor blood circulation, it is prone to heart disease, anemia and stroke.
When it is extremely cold, the blood circulation at the end of the body is not smooth and the lips are blue.
Crimson lips:
When you have a fever, your lips are crimson. ... explain
Heart failure, lack of oxygen or lung disease can make your lips blush.
Look at health from the color of lips
Healthy lip color is pink. If the lip color is abnormal, it may be bad health!
Pale lips-if the nails and eyelids are pale, there may be anemia.
Blue lips-if it's not because the temperature is too cold, it may be anemia or heart problems.
Lip color is pale yellow-if the face is as yellow as the whites of the eyes, it may be that the liver function is not good.
Lip color is red and purple-if there is no fever or carbon monoxide poisoning, there may be problems such as heart disease, lung disease and heart weakness.
Lip color is dark-if the lip color is dark and dry, it means there are bugs inside.