what causes grey nails
4 rows · 30/04/2020 · Not having enough vitamin B-12 can cause nails to turn dark, thin and possibly spoon shaped. ...Toenails that turn gray may be a symptom of malnutrition, lung disease, or even arthritis. If you are allergic to certain chemicals in cleaning products or makeup, your toenails may turn a greenish color. Green on your nails may also mean you have an …20/02/2020 · Gray Nails: One possible cause of blue-gray nail discoloration is using the drug minocycline. This broad-spectrum antibiotic has been found to turn nails a light blue-gray color. However, there are many other causes of nail discoloration as well, including fungal infection , chronic diseases and the use of various medications.your hands often being in water or cleaning products. a fungal nail infection. Nail problems can sometimes be a symptom of a more serious or long-term condition, such as: nail psoriasis. iron deficiency anaemia. an underactive thyroid or overactive thyroid. diabetes. heart, lung …19/01/20...