Your lips can turn blue when you are at high altitude or if you lack oxygen, but it can also be a serious sign of health problems such as lung disease or heart disease.
You’ve surely ever noticed the phenomenon of “blue lips”… The blue lips appear when the lip skin will take on a bluish color.
It mainly occurs due to lack of oxygen in blood or due to the extremely low temperatures. When the skin turns blue, the symptom is called cyanosis.
This can also happen when you are at high altitude, you’re lack of oxygen but it can also be a serious sign of health problems such as lung disease or heart disease.
The lack of oxygen in the blood can lead to coloration of the skin, and at first it can be seen on the hands, feet or lips.