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Skin & Hair Concerns
Question #18644
69 days ago
114

what causes dark neck - #18644

Sia

I am really concerned about this darkening on my neck. It kinda started a few months ago, slowly creeping in and I thought it was just dirt or something. But now it looks more like an uneven skin tone and it doesn't wash off!! Like I’ve tried scrubbing extra hard but it doesn’t work. What causes dark neck? I’ve tried googling but I see all these complicated stuff that just confuse me more. I’m a 30-year-old woman, and I don’t have diabetes or anything like that... but some family members have had skin issues in the past. I didn’t think it’d happen to me. No rashes or irritation, just this weird dark spot that seems to be spreading. I thought maybe it was because of the products I've been using, like some heavy sunscreen or maybe neck irritation from clothes, ugh... I read it could also be hormonal or linked to obesity, but I’m not overweight. Can it be hereditary? Like, is there something specific, what causes dark neck in a healthy person? I'm starting to freak out a bit! Should I even see a doctor or just wait it out? Any thoughts? Would love any advice!

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Doctors' responses

Darkening of the neck, often referred to as “dark neck,” can be unsettling, and there are several potential causes for it even in individuals who consider themselves healthy. A common underlying cause is acanthosis nigricans, a condition characterized by darker, velvety skin patches that often appear around skin folds and creases. Although you’re not diabetic, insulin resistance is a common link, potentially pre-diabetic stages too, but not always the case—sometimes it appears without diabetes or related conditions. Hormonal changes, such as those involving the thyroid or adrenal glands, can also lead to skin darkening and should be considered. Obesity is indeed another named factor for acanthosis nigricans, though you said it doesn’t apply here. Since there’s a family history of skin issues, some hereditary factors might be at play, although less commonly the sole cause. It’s worth considering that some topical products, like certain lotions or cosmetics, could contribute, but this is less typical unless you’ve noticed irritation or rashes. Since you’ve ruled out some lifestyle or straightforward causes, I’d recommend visiting a doctor, preferably a dermatologist, to evaluate your skin. They might do a thorough examination and suggest tests to rule out any metabolic or hormonal issues. If you’re suspecting it might be acanthosis nigricans or another dermatological condition, they might recommend blood tests to check your hormone and glucose levels. In the meantime, maintain good skincare hygiene, but avoid excessive scrubbing or harsh chemicals as they could aggravate the skin more. Using gentle cleansers and moisturizers while steering clear of irritating fabrics or tight collars could help alleviate any aggravation if the culprit turns out to be an external factor. If any new symptoms like changes in the skin texture or experiences with spreading become more pronounced, seek medical advice promptly.

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