Peripheral cyanosis is when there is a bluish discoloration to your hands or feet. It’s usually caused by low oxygen levels in the red blood cells or problems getting oxygenated blood to your body. Sometimes cold temperatures can cause blood vessel narrowing and lead to temporarily blue-tinged skin.
Hereof, what causes feet to turn blue?
Peripheral cyanosis is when the hands, fingertips, or feet turn blue because they are not getting enough oxygen-rich blood. Cold temperatures, circulation problems, and tight jewelry are common causes of peripheral cyanosis. Cyanosis gets its name from the word cyan, which means a blue-green color.
Furthermore, what causes dark spots on feet? Tinea nigra is an infection that attacks the skin’s uppermost layers. It’s caused by a fungus called Hortaea werneckii. The fungus has also gone by the names of Phaeoannellomyces werneckii, Exophiala werneckii,and Cladosporium werneckii. The fungus causes painless brown or black patches to grow on palms and feet.
Secondly, what does spots on your feet mean?
Red spots or patches can be caused by conditions or diseases such as allergies, athlete’s foot, or blisters. Be sure to monitor the spots on your feet to ensure they don’t worsen. Most causes aren’t serious and are easily treated at home.
What does foot melanoma look like?
On the skin, melanoma looks like moles that continue to evolve in shape, size, and color. Such moles also have uneven borders and asymmetrical sides. While melanomas are often brown in color, they can sometimes be red, tan, or white.