Dark knuckles can be a symptom of a variety of health conditions. It can also be caused by a vitamin deficiency and certain drugs. Acanthosis Nigricans (AN) Vitamin B12 Deficiency Diabetes PCOS
![Here Are The Causes And Remedies For Black Knuckles — Guardian Life — The Guardian Nigeria News – Nigeria and World News Here Are The Causes And Remedies For Black Knuckles — Guardian Life — The Guardian Nigeria News – Nigeria and World News](https://guardian.ng/wp-content/uploads/2020/02/Knuckles.-Photo-Healthline-1062x556.jpg)
Here Are The Causes And Remedies For Black Knuckles — Guardian Life — The Guardian Nigeria News – Nigeria and World News
![🌸🐼Mulan Habibii 🇵🇲 on Twitter: "Acanthosis nigricans (AN) also popularly known as DARK KNUCKLES. is a condition that involves darkening and thickening of the skin in one or more areas on the 🌸🐼Mulan Habibii 🇵🇲 on Twitter: "Acanthosis nigricans (AN) also popularly known as DARK KNUCKLES. is a condition that involves darkening and thickening of the skin in one or more areas on the](https://pbs.twimg.com/media/E10Hg0iWYAAditI.jpg)
🌸🐼Mulan Habibii 🇵🇲 on Twitter: "Acanthosis nigricans (AN) also popularly known as DARK KNUCKLES. is a condition that involves darkening and thickening of the skin in one or more areas on the
![FULL TEXT - A diabetic woman with soft tissue complex pathology - International Journal of Case Reports and Images (IJCRI) FULL TEXT - A diabetic woman with soft tissue complex pathology - International Journal of Case Reports and Images (IJCRI)](https://www.ijcasereportsandimages.com/archive/2016/001-2016-ijcri/CI-10019-01-2016-perciun/figure11.gif)
FULL TEXT - A diabetic woman with soft tissue complex pathology - International Journal of Case Reports and Images (IJCRI)
![Dark red knuckless .. 33 m .. no diabetes .. not smoking .. i had this dark skin on my hand few month ago .. I don't know what this is and Dark red knuckless .. 33 m .. no diabetes .. not smoking .. i had this dark skin on my hand few month ago .. I don't know what this is and](https://external-preview.redd.it/mNSiAH6vj8Wmx4xRwBPvho2cyp2D_GojseSvSanPeH8.jpg?auto=webp&s=0796ecf3b35868eca2ca6d8ae0473344d553dfc8)