What can our fingernails tell us about our health? Doctors and nurses will often check a patient’s fingernails for clues about different health conditions.
Club nails can be caused by conditions that cause low blood oxygen, such as congenital heart disease, or severe lung disease.
Spoon nails can be caused by iron deficiency anemia.
Indented lines across the nail:
“Beau’s lines” are indentations that run across the nail, and can be caused when growth under the cuticle is interrupted by injury or severe illness:
White lines across the nail:
“Leukonychia” are white spots, and are typically caused by minor trauma in healthy individuals:
Purplish horizontal lines across the nail:
“Mees Lines” are transverse lines caused by arsenic poisoning:
Thickened yellow nails:
Thickened yellow nails can be the result of a fungal infection.