Skin discolouration in children manifests in several forms and has a number of possible causes. Discolourations include patches of redness, birthmarks or unexpected shifts in skin pigmentation. Skin discolouration can be the result of an injury, infection or imbalance in pigmentation-regulating substances in the body. Though most skin discolouration disorders pose cosmetic rather than medical concerns, children with skin discolourations should be examined by a doctor to rule out potentially serious health conditions such as a vitamin deficiency.
Children's skin discolouration is caused by several factors. Some discolourations are caused by a disease of an organ or body system; liver and kidney dysfunction can both lead to skin discolouration. If a child is on antibiotics for an infection or illness, skin discolouration or redness may appear as a side effect. Redness is often related to a localised irritation, but in children redness may also be a sign of a bacterial or viral infection that manifests as a rash or blotchy red patches. Poor blue circulation or a decreased efficiency in the circulation of oxygenated blood causes blue or grey skin. A gene mutation that triggers sections of the body to stop producing melanin, the chemical responsible for skin pigmentation, leads to whitened skin.
Skin discolouration is marked by a distinction in skin pigmentation in a specific section of the body. Some skin discolourations like moles or birthmarks are notable for their darker pigmentation and specific shape and borders; many children are born with birthmarks that might fade over time. Other skin discolourations occur shortly after birth in the form of a rash on the face, neck or head. In older children, differentiation in pigmentation in the form of either large dark patches or large bleaches patches of skin signal a skin discolouration disorder.
In infants, the most common skin discolourations are rashes or redness. Erythema toxicum, or newborn rash, is a common rash that appears within five days after birth in as many as fifty per cent of newborns; the harmless red patches dotted with small white bumps are harmless and non contagious. Eczema is common rash disorder that leaves scaly, itchy patches of red skin on a baby's head, arms or legs. Jaundice is another common infant skin disorder that is caused by insufficient breakdown of bilirubin in the blood; the yellow skin condition is often indicative of a problem with the liver functioning.
Older children may develop impetigo, a contagious bacterial infection that causes red patches and blisters to spread around the infected area. If a child begins losing normal skin pigmentation and displaying bright white patches in the chest, back or arms, it is likely due to a gene mutation that causes a disorder called vitiligo; vitiligo that develops during childhood tends to be more severe and pervasive than development during adulthood. Whitening skin may also be a sign of albinism, a much rarer condition.
Skin discolourations in children arise from a wide variety of causes and some disorders may be more serious than others. For instance, jaundice may be the sign of a serious problem in liver functioning or it may indicate a simple Vitamin D deficiency. Patches of redness caused from infant rashes are common but may also indicate a serious infection like hand, foot and mouth disease. Though most discolourations are temporary or purely cosmetic, a doctor is the only person who can properly diagnose and treat a skin discolouration disorder.
Most children will develop some form of rash or discolouration during their childhood. Infants are especially susceptible to rashes due to their young immune system. Most rashes like eczema respond to simple treatments like diluted bleach solution baths. Bacterial infections are treated with antibiotic ointments or oral medications.
Skin conditions that are due to other disorders in the body such as improper liver function are treated by addressing the source of the disorder. In severe cases, liver biopsies are taken to determine the functional capabilities of the organ.
More dramatic skin discolourations caused by vitiligo or albinism are more difficult to treat. Vitiligo cannot be cured, but creams and ointments applied to the affected area prevent the spread of the discolouration and protect vulnerable patches of pale skin. Some creams called immunomodular creams have been effective in returning the affect skin areas to their normal pigmentation, but doctors question the safety of the cream on very young children.
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