Why is my skin turning black on my neck?
Matthew Shields
Updated on March 11, 2026
Why is my skin turning black on my neck?
The skin on the neck can darken due to hormonal disorders, sun exposure, and drug-induced or other skin-related conditions. Darkening of the neck may be associated with changes in the texture of the skin when compared to the surrounding skin conditions like itching and dark patches in other parts of the body.
Does dark neck mean diabetes?
A dark patch (or band) of velvety skin on the back of your neck, armpit, groin, or elsewhere could mean that you have too much insulin in your blood. This is often a sign of prediabetes. The medical name for this skin condition is acanthosis nigricans.
Does acanthosis nigricans always mean diabetes?
Acanthosis nigricans is a treatable skin condition that causes dark patches on your body. It is often (though not always) a sign of prediabetes or diabetes. Talk to your healthcare provider to find out if you have an underlying condition causing AN.
Can you have acanthosis nigricans and not have diabetes?
Acanthosis nigricans is seen in both men and women. It’s most common in those who are overweight, have darker skin, and have diabetes or prediabetic conditions.
How do I get rid of the darkness around my neck?
How to use: Take two tablespoons of besan (gram flour), half teaspoon lemon juice, a dash of turmeric, and some rose water (or milk). Mix all of them and form a medium consistency paste. Apply the mixture on your neck, leave it on for about fifteen minutes, and rinse with water. You can repeat this remedy twice a week.
What is dirty neck syndrome?
Also known as Zinsser-Engman-Cole syndrome, dyskeratosis congenita causes hyperpigmentation of the skin of the neck. The neck may look dirty. In addition to dark patches on the neck, the condition can cause white patches inside the mouth, ridging of the fingernails, and sparse eyelashes.
What are the 3 most common symptoms of undiagnosed diabetes?
The three most common symptoms of undiagnosed diabetes include:
- Increased thirst (polydipsia) High blood sugar levels cause increased thirst.
- Increased urination (polyuria) Needing to urinate more throughout the day. Urinating more often than usual at night.
- Increased hunger (polyphagia)
What are the warning signs of prediabetes?
Warning signs of prediabetes
- Blurry vision.
- Cold hands and feet.
- Dry mouth.
- Excessive thirst.
- Frequent urination.
- Increase in urinary tract infections.
- Increased irritability, nervousness or anxiety.
- Itchy skin.
Can diabetes cause dark skin?
Diabetic patients, particularly if overweight or obese, can develop darkening and thickening of skin folds, thought to be due to insulin resistance. This condition is called acanthosis nigricans.
Can acanthosis nigricans go away?
It is reversible and will disappear as the cause is treated. There are cosmetic options if acanthosis nigricans is severe or not being managed by weight loss. Treatments include laser therapy, topical retinoids, and dermabrasion.
Can you scrub acanthosis nigricans off?
Skin areas with acanthosis nigricans can look dirty, but they’re not. Scrubbing the skin does not help and can irritate it. Gently clean the skin and don’t use bleaches, skin scrubs, or over-the-counter exfoliating treatments.
How can I remove black underarms?
- Apr 7, 2021. Home remedies to lighten dark underarms.
- Baking soda. Baking soda is the best thing to lighten underarms.
- Coconut oil. It’s popular for its natural skin lightening agent – vitamin E.
- Apple cider vinegar. Apple cider vinegar contains natural cleansers.
- Olive oil.
- Lemon.
- Potato juice.
- Aloe vera.
What causes dark patches around the neck area?
These dark patches are usually found around the neck area and armpits, though other areas of the body can be affected as well. Also known as black neck, this disorder can be caused by various skin conditions, ranging from sun exposure or eczema to acanthosis nigricans. It can also be a symptom of a more serious underlying medical issue.
When should I be worried about darkening of the neck?
If the darkening appears suddenly, consult a doctor, as it could be a sign of a more serious underlying condition. Darkening of the neck may be caused by various conditions including the following:
What does it mean when your underarms turn dark?
Dark underarms usually aren’t a sign of anything serious, but some people may find them embarrassing — especially during tank top and swimsuit season. Darkening is often due to a skin condition called acanthosis nigricans (AN). It causes skin to thicken and darken in folds around the body.
What are the common areas of darkening on the body?
Common areas of darkening include the: 1 armpits. 2 back of the neck. 3 groin. 4 elbows. 5 knees.