my son knee and neck are in dark than skin colour.. what it could be..

A. It is essential to consult a healthcare professional for a proper diagnosis and treatment plan. In some cases, skin discoloration on the knee and neck could be caused by various factors such as eczema, fungal infections, or even certain medications. Additionally, darker skin patches could be a sign of a condition known as hyperpigmentation, which may be caused by an overproduction of melanin in the skin. It is crucial to provide your son's healthcare provider with a detailed medical history and information about any recent changes in his health. They may recommend further tests or examinations to determine thez underlying cause of the skin discoloration. Timely intervention is key to addressinxg any potential health concerns and ensuring your son's well-being.