From the shape of nails, nails are flat, sunken, spoon-shaped and brittle without luster, which are the signs of iron deficiency anemia, hypopigmentation anemia and light-colored small cell anemia. Nails are parrot-shaped, fingertips are like drumsticks, which are more common in congenital heart disease cyanosis, rheumatic heart disease, chronic heart failure, lung abscess and so on.
, emphysema, silicosis, chronic fibrocavitary tuberculosis, chronic ulcerative colitis and other diseases. The appearance of horizontal stripes on nails is a precursor to nephropathy or myocardial infarction; The appearance of longitudinal stripes is a harbinger of liver disease; The appearance of pit lines is poor respiratory function.
From the color of nails: nails turn white, and hemorrhagic shock is an emergency; Chronic diseases can be seen in anemia, hookworm disease, gastrointestinal bleeding, advanced tuberculosis, pulmonary heart disease and so on. As white as ground glass, it is a characteristic of cirrhosis; Nails turn white, thin and soft, which are more common in chronic wasting diseases. Yellow nails are lack of vitamin E, which is found in hypothyroidism, carrot disease, nephrotic syndrome and so on. Nails turn gray. It's onychomycosis. The nail surface is purple with small red thorns, which is caused by lack of oxygen, indicating that the heart and lungs are sick. Nails are half red and half white, indicating poor kidney function. White spots or flocculent white spots appear on nails, which may be zinc deficiency or gastrointestinal diseases or anemia; Black spots or green spots are signs of poisoning; Erythema appears around nails, which is more common in patients with lupus erythematosus and dermatitis. One and a half months is blue, but the peripheral circulation is poor; Obvious redness is a sign of heart failure; It is obvious for one and a half months, and the intestinal absorption is good; No or narrow, indigestion.
Nail is really a window to observe human health, so we should always pay attention to its changes, especially for long-term manicurists, who forget to take vacations every once in a while and let it show its true colors. If you find multiple nail variations, you should see a doctor in time.