In some cases, dark patches or discolouration of the skin on the neck can be a sign of diabetes or a fungal infection. It's important to understand the different skin conditions that can cause dark patches on the neck. Dr. Pradip Shah, a consultant physician at Fortis Hospital Mulund, lists three common skin conditions that dark patches on the neck can indicate and when to take them seriously.
This is a common skin condition that affects people with type 2 diabetes. It's also known as "dirty neck syndrome" and is characterized by brown to black hyperpigmentation of the skin, particularly in the folds of the neck. It can also occur in other areas of the body, such as the armpits, groin, forehead, and navel. It's caused by high levels of insulin, which affects the skin cells and is more common in people who are obese.
Not only dirt and lack of proper hygiene, but excessive sweating in the neck region can lead to the accumulation of sweat in the neck folds. This can create an environment for fungal growth, leading to fungal infections. This can cause dark discoloration of the skin that can only be treated with medications and ointments to fight fungus. You can prevent this condition by cleaning the neck every time you sweat to prevent the accumulation of sweat in the neck.
Some people suffer from a condition known as sun allergy. This is a condition in which a person develops dark pigmentation when out in the sun. Although it is not a harmful condition, if you have any itching or severe sunburns it is recommended to consult a dermatologist.
In most cases, general dark pigmentation (pigmentation all over the body) is not a cause for concern. However, if you have localized dark patches, it's important to consult a doctor as it could indicate an underlying skin condition or a fungal infection. Also, if you have pus formation, severe itching, and irritation, or any discomfort in the neck along with dark patches, it's wise to visit a dermatologist near you to know the exact cause and get treated. However, if there is no pain or itching in the neck because of dark patches, it might indicate no health problem but a natural phenomenon.