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SESK: Stuff Everyone Should Know · sesk.info/diab-dark-skin-patches

Where can dark patches of skin linked to type 2 diabetes show up?

Around the neck, armpits or groin.

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  1. Around the neck, armpits or groin ✔
  2. Only on the palms
  3. On the tips of the ears

Why: CDC lists dark patches of skin around the neck, armpits or groin as a possible type 2 symptom. It's a reason to mention changes in your skin to a doctor.

Huh, didn't know that: Cuts, sores or wounds that heal very slowly are another type 2 symptom on CDC's list.

The dad joke
My skin was trying to send me a message. I should have read the fine print on my neck.
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References

Answer: Around the neck, armpits or groin. CDC lists dark patches of skin around the neck, armpits or groin as a possible type 2 symptom. It's a reason to mention changes in your skin to a doctor.

  1. CDC: Diabetes Symptoms www.cdc.gov/diabetes/signs-symptoms/index.html
    Dark patches of skin around the neck, armpits, or groin.
    Checked 2026-10-09.

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