Jaundice
Jaundice
Argyria is gray discoloration of the skin. Cyanosis is a bluish discoloration of the skin, but sometimes is used for gray.
Jaundice is one kind of skin discoloration that newborns can have, which gives a yellow color to the skin. It is common in newborns as a transient condition and often treated with sunlight. Cyanosis is another. It is a sign of low oxygenation and causes a blueish coloration in the skin. It is also common and usually resolves after the initial resuscitation measures in newborns. Acrocyanosis is a partial blueish discoloration affecting mostly the areas outside of the newborn's body core area, such as in the hands and feet. Dyschromia is the general term for skin discoloration.
Macule is a medical term meaning discoloration of the skin that can't be palpated. A common example is a freckle.
Contusions, purpurae, and petechiae all are purple skin discoloration caused by bleeding beneath the skin.
Go to your local Health Department first and get a check-up and get tested for STD's. The nurse practitioner will be able to determine if you need to see a specialist and if you do they will refer you to the correct doctor.
I think you might be looking for the term cyanotic, which describes blue discoloration of the skin and mucous membranes due to lack of oxygen.
Too much UV radiation harms the skin cells. Long term exposure over the years can cause wrinkling, discoloration, freckling, and skin cancer.
It means "of the skin".
Interdermal
The medical term for an area of any size of hemorrhage under the skin is ecchymosis. It appears as a discoloration due to blood leaking from ruptured blood vessels into the surrounding tissues.
It means cowardly.