A bluish color to the skin or mucous membrane is usually due to a lack of oxygen in the blood. The medical term is cyanosis.
How is skin discoloration determined?
Normal skin contains cells called melanocytes, which are responsible for producing the skin pigment, melanin. The color of skin is determined by the amount of melanin pigment secreted and blood flow. Depending upon the color of skin developed, skin discoloration can be of many types.
What causes discoloration of the skin?
Some of the common cases include the following. This type of skin discoloration is caused due to loss of skin pigment, melanin. A person having this skin problem has lighter skin tone in comparison to the normal skin color. Examples of hypopigmentation include vitiligo and tinea versicolor. This condition is characterized by darker skin color.
What causes skin to be yellow?
Usually, yellow skin color is caused due to jaundice. It may also signify a severe liver condition. Hence, if the skin color of a person becomes yellow, it is important that the person seeks immediate medical attention.
What causes orange skin color?
Generally, orange skin coloration is caused due to carotenemia, which occurs from excessive intake of carotene-rich foods. This causes a bluish color development in the skin, due to the lack of oxygen supply in the blood. Cyanosis may also occur as a result of abnormal hemoglobin or presence of toxins (e.g. cyanide) in blood.
What are the consequences of skin discoloration?
There can be many consequences of skin discoloration; the skin may turn whitish, lighter, darker, yellowish, orange, reddish, or bluish. Normal skin contains cells called melanocytes, which are responsible for producing the skin pigment, melanin. The color of skin is determined by the amount of melanin pigment secreted and blood flow.
How is skin discoloration diagnosed?
The diagnosis of skin discoloration will be done based on the symptoms of the canine and by running a number of tests. A skin scraping will be necessary to rule out any possible skin infections. Allergy testing may also be needed. A skin biopsy is an advanced testing that may also be performed if the vet suspects skin cancer.
What are the different types of skin discoloration?
There are two main types of skin discoloration: hyperpigmentation and hypopigmentation. Both are caused by an irregular production of melanin. Melanin is a term that refers to a group of pigments produced by cells called melanocytes in the lower level of the epidermis. There are three main types of melanin: eumelanin, pheomelanin, and neuromelanin.
What is skin discoloration in children?
Eczema is another kind of skin discoloration issue which mostly occurs in children which may continue until their adulthood. This health condition causes lighter or darker skin pigmentation than the nearby skin color. This kind of skin discoloration occurs mainly in darker complexion people. Eczema is also known as atopic dermatitis.