Cyanosis • When your lips or fingers turn blue
Bluish discolored lips or fingertips indicate cyanosis. A lack of oxygen in the blood causes the skin and mucous membranes to turn blue. What causes cyanosis and when is medical attention needed? © ZayNyi – stock.adobe.com Article content at a glance: Identify skin diseases with these images What is cyanosis? A bluish discoloration of the … Read more