These blue spots are harmless and often fade over time. Bluish patches that can appear on the backs of babies and young children, usually in those of Asian descent. Dermal melanocytosis (formerly Mongolian blue spots).Most moles aren’t a cause for concern, but any changes in the size or shape of a mole can signal trouble and should be checked by a healthcare professional. Some moles may even be the same color as your skin. They can range in color from tan, brown, or black, to red, purple, and blue. They are typically harmless and don’t require treatment unless they become bothersome or painful. Birthmarksīirthmarks are discolored skin spots that can develop at birth or soon after birth. Let’s look at these potential causes of skin discoloration in more detail. other causes, such as burns and medication side effects.skin cancer, which develops from damaged skin cells that become malignant (cancerous).allergies, which may lead to hives or eczema rashes.infections from harmful bacteria, viruses, or fungi.medical conditions, such as rosacea, psoriasis, and Graves‘ disease.pigmentation disorders, such as melasma, albinism and vitiligo.birthmarks, which are discolored skin spots that may be present at, or shortly after, birth.There are many potential causes of skin discoloration, ranging from minor problems to more serious medical conditions. In this article, we cover several possible causes of skin discoloration along with pictures so you can discuss any concerns you have with your doctor. When there’s an overproduction of melanin, it can cause differences in skin tone.Īnother possibility is skin cancer, which must be addressed with a dermatologist right away. Melanin is the substance that provides color to the skin and protects it from the sun. While there are many harmless causes of skin discoloration, such as birthmarks, some cases of discolored skin may develop from an underlying medical condition that requires diagnosis and treatment.ĭiscolored skin patches may also commonly develop on certain body parts due to a difference in melanin levels. These areas of discolored skin can range in color and may be: Skin discoloration is a broad term that describes any change in your skin that differs from your natural skin tone. Causes of skin discoloration can include birthmarks, infection, skin pigmentation disorders, and skin cancer, among others. Skin discoloration refers to any change in your natural skin tone.

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