WebApr 4, 2024 · Subungual melanoma often starts as a brown or black streak under a toenail or fingernail. A person may mistake it for a bruise. The main symptoms of subungual melanoma include: brown or... WebNov 23, 2024 · Causes of secondary Raynaud's include: Connective tissue diseases. Most people who have a rare disease that leads to hardening and scarring of the skin, known as scleroderma, have Raynaud's. Other diseases that increase the risk of Raynaud's include lupus, rheumatoid arthritis and Sjogren's syndrome. Diseases of the arteries.

12 nail changes a dermatologist should examine - American …

WebMost causes of a blue toe fall into three categories: obstruction of arteries, arterial spasm and hemorrhage into the toes. The diagnosis depends on a combination of history, … WebBlue toe syndrome is caused by a blockage of the small blood vessels in the foot that reduces the flow of blood and oxygen to the tissues. It usually develops due to a problem higher up the blood stream such as an … sian fox-loakes

Blue Fingernails: Causes and When to Get Help

WebFeb 18, 2024 · Accidental trauma from violent impact on the toenails e.g. when another footballer steps on your toes or a heavy object lands on top of your toenail, can also cause black toenails. In addition to dark spots, traumatic injury can in some cases cause lifting of the toenails. 2. Toenail fungus. WebA black toenail can also be a sign of a: Fungal infection Chronic ingrown toenail Benign bone tumor called subungual exostosis Melanonychia striata Cancerous tumor Runners tend to have damp... WebA black-and-blue nail is usually caused by sudden or repetitive injury to a toe. This might occur during sports that involve running or stopping quickly. The injury may also result from a heavy object falling on a toe. If your toe is black and blue but not injured, see Dr. Rajnish Manohar immediately. The big toe is most often affected. sian forlì