A 32-year-old member asked:
what could cause purple swollen lips?
2 doctor answers

Dr. Richard Charmoy answered
36 years experience Dentistry
Cyanosis: Purple lips also known medically as cyanosis. It can be cause by extreme cold. More serious condition that cause this can be related to the heart and respiratory system.
Answered on Dec 6, 2018
4
4 thanks

Dr. Richard Ruden answered
38 years experience Dentistry
Many causes: Purple lips, also known as cyanosis in medical terminology, is caused by the discoloration of the skin and membranes. The area that is affected by cyanosis appears to be bluish in color. Though purple lips can be caused due to cold weather, it can also be a cause for concern, as it may be a symptom of underlying diseases related to the heart and respiratory system.
Answered on Nov 28, 2017
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