Recognize the disease by your fingernails. What diseases will your nails indicate? How does a human nail work?

Our body is designed in an amazing way! For example, the body can signal illnesses using nails. Chinese medicine has long recognized the close connection between nails and liver health. The color of the nail plate also says a lot about the state of the blood.

Some diseases can be detected by looking closely at your nails. Day.Az with reference to "So Simple!" will tell you about 10 signs that may be a signal to see a doctor.

HOW TO IDENTIFY DISEASE BY NAILS

Discolored nails

This indicates a deficiency nutrients. The nail may also turn yellow due to constant use of varnish. Brown nails indicate diseases of the thyroid gland. White nails indicate a lack of iron. A bluish-gray tint to the nail plate means lack of oxygen, problems with the lungs or heart.

Brittle nails

If your nails peel and break easily, there may be problems with the thyroid gland. This also happens with lichen planus (accompanied by rashes and itching). Nails can become brittle as you age. frequent use varnish, due to the influence of detergents.

Thickened nails

This happens with arthritis, lung diseases, and diabetes. With eczema and psoriasis, the nails may be yellowish in color, they grow slowly and have thickening.

Spoon-shaped nail

A concave nail means a lack of iron in the blood. You should eat more foods that increase hemoglobin levels.

Stains on nails

White spots on nails are quite common. This is no cause for concern. The cause could be an imbalance of nutrients in the body or even stress. As a rule, spots appear and disappear over time. Eat food that contains many vitamins.

Horizontal furrows

They can appear due to damage and injury, due to the influence of extreme temperatures and as a result of chemotherapy.

Fingers of Hippocrates

If you notice that your nails become enlarged and soft, this may indicate a symptom of drumsticks. Flask-shaped thickening of the phalanges of the fingers occurs in chronic diseases of the liver, heart, and lungs.

White lines on nails

Most often found on the index, middle and thumb. They signal a lack of protein, which can be caused by malnutrition, liver problems, and stress.

Dark vertical stripes

May be a sign of subungual melanoma, but it usually affects only one nail. At the same time, the color of the nail also changes.

Red or brown streaks under the nails

Hemorrhages under the nail plates occur due to damage to the blood vessels. But sometimes such streaks can be caused by arthritis or psoriasis.

Pay attention to your nails: perhaps they are trying to warn you about illness! Of course, changes in the appearance of nails depend on many factors, so it is impossible to accurately diagnose any ailment based on their condition alone.

Nail plates are an important indicator of overall health. To keep your nails healthy and looking great, add more carrots, seafood, nuts, and fatty fish to your menu.

Healthy people have smooth, shiny, light nails. Pink colour. They owe their color to the capillaries, which are located directly under the nail plate and are visible through it. The functioning of all organs and systems depends on how blood circulates in the body, and nails can show us if this process is not proceeding correctly for some reason. This is why a good doctor will always ask you to show your hands during an examination and may ask you to completely remove the manicure from your nails, which can make diagnosis difficult.

Any deviations in the appearance of the nail plate may be evidence of serious health problems due to poor circulation, metabolism, or problems in the endocrine system.

Of course, it’s not worth diagnosing yourself, focusing solely on the condition of your nails. But at the first “bells” that appear, you should consult a doctor so that he can prescribe you a more complete examination in the area that your hands “point” to.

As soon as your health improves, the appearance of the nail also changes. Not immediately, of course, but after two or three months, when the nail plate is completely renewed.

Determining the disease by fingernails

Now let's take a look at your nails.

Nail color and disease

Yellowish nails- a sign of liver problems. If there are difficulties with the normal outflow of bile in the blood, the content of bile pigment - bilirubin - increases, which gives the skin and nails the corresponding icteric color. Smokers can also have yellow nails, but this color usually appears brighter on those fingers that hold a cigarette, and very little on the rest. Also, the nail plate turns a little yellow for natural reasons with age.

Blue or violet-tinged nails are a clear sign of serious cardiovascular or pulmonary failure and hypoxia (oxygen starvation of the naked brain).

Black nails- a sign of thrombosis of the arteries leading to the arms.

Bright red nails signal an increased level of red blood cells - erythrocytes - in the blood.

Very pale nails talk about a decrease in the level of hemoglobin in the blood, anemia.

White nails– a sign of liver cirrhosis or disease of the adrenal cortex.

White spots on nail plate they talk about the stress and experiences they have endured; they can also occur if the nail has been bruised.

White thin transverse lines talk about a lack of zinc in the body.

Yellow spots nails indicate arteriosclerosis, vascular spasms and possible dysfunction of the brain

Nail shape and structure

Convex Like watch glass, nails are a sign of problems in the lungs and cardiovascular system.

Concave and easily pressed when pressed nails indicate a lack of minerals in the body, in particular calcium. Perhaps we are talking about a violation of the absorption of minerals in the gastrointestinal tract or pathologies of the thyroid gland.

Cross bars indicate periods when the growth of the nail plate for some reason slowed down. The culprit could be a previous infection (for example, the flu) or severe stress. Frequently appearing peppery lines on the nails indicate an existing chronic metabolic disease, for example, diabetes.

Longitudinal grooves on the nail means problems with the gastrointestinal tract or pancreas. Perhaps your menu lacks the necessary minerals or for some reason they are not absorbed in sufficient quantities.

Bright red nail hole indicates capillary disease or an autoimmune disease such as rheumatism.

Complete absence of whitish nail holes at the base of the nail indicates vitamin B12 deficiency or possible problems with the thyroid gland.

Small “holes and craters” on the nail plate(as if it was poked with a needle) - a sign of disruption of the pancreas, pancreatitis.

According to Tibetan medicine, nails are a by-product of bones. Look at the size, shape, surface and outline of your nails. Also see if they are flexible, soft, tender or brittle and break easily.

If your nails are dry, hooked, rough, or break easily, which means wind prevails in the body.

When the nails are soft, pink, tender, easily bendable and slightly shiny, then bile predominates in the body.

If the nails are thick, strong, soft, very shiny, with the same contour, then mucus predominates.

Long lines on nails indicate poor absorption of food in the digestive system. Transverse grooves on the nails indicate poor nutrition or advanced diseases.

Sometimes the nails are protruding, convex, bulbous, like drumsticks. This condition of the nails indicates weakness of the heart and lungs.

When the nail is spoon-shaped and concave so that it can hold a drop of water, this indicates iron deficiency.

White spots on the nail indicate a lack of zinc or calcium.

Nail coloring may indicate specific problems.

If the moon is a crescent at the base of the nail (blue- means liver disorders; red- a sign of heart failure).

Pale nail color indicates anemia. Excessive redness of the nails indicates an excess of red blood cells. Yellow nails indicate liver weakness or jaundice. Blue nails indicate a weak heart and lungs.

White specks on the ring finger indicate calcium deposits in the kidneys. If there are white specks on the index finger, this indicates an accumulation of calcium in the lungs.

Each finger has a connection with a specific organ. Thumb associated with the brain and skull, and pointing- with the lungs. Middle finger associated with the small intestine nameless- with the kidneys, and little finger- with heart.


In ancient China, primary diagnosis was made based on the condition of nails and points on the body.

Currently, this method has become very popular, as it can be done independently.

You yourself can diagnose yourself and your loved ones and identify emerging disorders in the body.

Look closely at your nails. You will see that the holes have become much thinner than before or even disappeared completely. Only on the thumbs the holes are still large and light.

Heavy smokers or people who have lung problems will have small and thin sockets. Oriental medicine, by the way, believes that if a person does not have a hole on his thumb, then everything is not right with his head. The majority of people still have a hole on their thumb, but what about others?

It is believed that the index finger reflects the condition of the large intestine. If the hole on it has significantly decreased or is even absent, you need to pay special attention to the condition of the intestines, liver and pancreas. Inflammatory processes and gynecological diseases are also reflected in the nail holes of the index fingers.

N The claws of the middle finger are responsible for the circulatory and vascular systems. If there is no hole on the nail of the middle finger, the person has problems with blood pressure, veins and capillaries.

The hole on the nail of the ring finger reflects the functioning of the endocrine system. The absence of a hole on the nail of this finger indicates metabolic disorders and problems with the lymphatic system.

The holes on the nails of the smallest finger are responsible for the condition of the heart and small intestine. That is why, with age, it is the little finger hole that disappears first. The small intestine becomes clogged and as a result the hole disappears. All this leads to disturbances in the functioning of the endocrine system (the socket of the ring finger becomes thinner), the heart cannot withstand negative changes (the socket on the nail of the middle finger disappears), and the last to give up is the large intestine.

Nail diagnostics:

1 - normal nail shape.
2 - short, flat nail - organic heart disease.
3 - large crescent size - tachycardia.
4 - absence of a crescent - heart neurosis.
5 - large convex nail - pulmonary tuberculosis.
6 - a convex nail with a large crescent - a congenital form of tuberculosis.
7 - flat curved nail - bronchial asthma.
8 - tube-shaped high nail - a harbinger of possible oncology.
9 - club-shaped nail phalanx - congenital forms of mental disorders, rigidity, aggressiveness.
10- concave nail - hereditary forms of alcoholism.

11 - flattened-fragmented nail - helminthic infestation.
12 - brittle grooves on the nail - lime deposits..
13 - slag (salt) layers on the nail - acute diseases of the gastrointestinal tract.
14 - elongated nail - diabetes mellitus.
15 - nail of the ring finger in the form of a semicircle - kidney pathology
16 - almond-shaped veins (waves) on the nail - rheumatism.
17 - bitten nail - neuroses, gastritis, sexual dysfunctions in women.
18 - stripes and inclusions on the nail - diseases of the spleen and small intestine.
19 - stripes on the nail - intestinal diseases.
20 - triangular nail - diseases of the spine and spinal cord.
21 - holey nail - pathology of the spleen.
22 - flat nail with an elevation on the index finger - pathology of the spleen.

Diagnostic signs by nail color



Pink nail
- in a healthy person.

Yellow color- a sign of liver pathology.

Bright red- about erythremia.

bluish purple occurs with congenital heart defects.

White spots on nails, then perhaps a disruption of the central nervous system.

And yellowish spots on the nails may be signs of brain dysfunction.

cyanotic- cardiovascular pathology.

Pale nails, flat or curved, with longitudinal grooves- a sign of anemia - anemia, lack of iron and vitamins.

White may occur with damage to the adrenal cortex (Addison's disease).

Pale pink, transparent- changes in the blood, anemia.

Milky white- with cirrhosis of the liver,

Black- for thrombosis of the brachial artery and diabetic gangrene.

Gray during an attack of malaria.

Bluish-white color- you need to see a neurologist and gastroenterologist.

Bluish (cyanotic) nails is one of the symptoms of heart or pulmonary failure that occurs due to a lack of oxygen in the blood. Often accompanied by shortness of breath and weakness.

Changing nail color can be caused by nicotine, liver and gallbladder problems, and infectious diseases.

Bluish or greenish skin color at the base thumb - digestive problems

Nails don't grow well- you need to contact an endocrinologist. Such changes occur with thyroid disease.

Fragility and brittleness of nails- this is a lack of minerals such as iron, calcium, as well as vitamins B and D. It is the body’s signal that requires short-term use of special medications to prevent more serious illnesses.

Long-term studies have shown that it is the nails that reflect the early appearance of any disease. They carry information about future diseases long before symptoms appear.

Shape and structure of nails.


Fig. 1 Nails are enlarged, convex (like a watch glass) - may be a sign of a respiratory, cardiac or liver chronic disease.

Fig. 2 Nails are brittle and thin, concave, reminiscent of a spoon (koilonychias) - a sign of a violation of mineral metabolism, skin problems, anemia, thyroid diseases, this also indicates a lack of iron.

Fig. 3 Transverse deepened stripes (Beau’s line) - with a temporary slowdown in the growth rate of the nail. And transverse grooves on the nails indicate a poor, unbalanced diet or advanced diseases.

Fig. 4 Longitudinal grooves - predisposition to rheumatism, intestinal problems, poor digestion leading to the formation of gas, poor digestion of food, a feeling of general fatigue, irregular menstruation, sexual weakness, depression, nervousness, insomnia, etc.

Fig. 5 Absence of a hole on all fingernails - possible lack of vitamin B-12, dysfunction of the thyroid gland, neurosis.

Fig. 6 A greatly enlarged hole on all fingernails is a sign of cardiac weakness.

Fig. 7 A holey nail is a malfunction of the spleen or pancreas.

Fig. 8 The nail is flat, split at the end - characteristic of the presence of worms. In medical terms, this is “helminthic infestation”, “enterobiasis” and so on.

Fig.9 White transverse strokes - lack of zinc or calcium.

Fig. 10 Red hole - indicates cardiovascular, autoimmune or endocrine problems, rheumatic diseases.

Additional signs



long lines on nails-poor absorption of food in the digestive system, inflammation in the gastrointestinal tract, in addition, this signals a lack of vitamin B12 and iron. It is also a signal of decreased liver and kidney function - which can cause a feeling of general fatigue;

short flat nail- typical for people with organic heart disease, which is expressed in sensitivity to “stuffiness”, aversion to heat, and physical fatigue;

large crescent size- tachycardia;

absence of crescent-characteristic of cardiac neurosis;

elongated nail- observed in diabetes mellitus.

ring finger nail in the shape of a semicircle-characteristic of various kidney pathologies;

stripes and blotches on the nail-manifest in diseases of the spleen and small intestine;

triangular nails-typical for persons with diseases of the spine and spinal cord;

growths at the end of the nails- chronic lung infection;

brittle nails - a sign of insufficient iron or vitamin A in the body, dysfunction of the thyroid gland, kidneys and poor blood supply;

absence of holes- heart neurosis, insufficiency and circulatory disorders;

blue holes- a sign of liver dysfunction;

red holes- symptom of heart failure;

bullies- this is a signal of a lack of proteins, vitamin C and folic acid. The reason for this may be either insufficient consumption or poor digestibility;

peeling nails- a signal about energy depletion of the digestive system, disorders in the blood circulation, reproductive and nervous systems.

Many diseases can be identified by the nails. Remember that you cannot use only one diagnostic method; you need to compare three or four methods, and only after that, draw conclusions.

By the way, if we look at the nails of our grandparents, we will be very surprised - the condition of their holes may be better than those of their children or even grandchildren. It's about today's lifestyle poor nutrition and bad ecology. Our situation is unenviable, but there is still good news - if we follow the principles healthy image life, all the holes will gradually return to their rightful place.

Start with the simplest cleansing of the body and maintaining the organ system that is most vulnerable to you.


Authors: Morozova O.G., Zdybsky V.I., Shcherbakov S.S., Yavlyansky Yu.V.
Publisher: Kharkov: SPDFL Mosyakin V.N.
Year: 2014
Pages: 204
Medium quality
Format: pdf
Size: 59 MB

The monograph presents extensive material on tongue diagnosis in traditional Chinese medicine. A system of individual analysis and differentiation of the patient's signs and symptoms is outlined, taking into account the picture of the tongue to identify a clinically significant syndrome. In turn, having determined the main syndrome in accordance with the terms of traditional Chinese medicine, the reflexologist can not only prescribe appropriate therapy, but also make a prognosis for the further course of the disease.

The beauty of language diagnostics is its simplicity and efficiency. Whenever there is a complex disorder full of contradictions, language examination can help identify the underlying pathological process.

The monograph is intended for reflexotherapists, cadets of specialization cycles, PAC and thematic improvement at academies of postgraduate education, and students of medical institutes.

The text is illustrated with 54 figures and 8 tables.

Download from turbobit.net Diagnosis by language in traditional Chinese medicine (59 MB)
Download from dfiles.ru Diagnosis by language in traditional Chinese medicine (59 MB)


This book highlights a completely new aspect of palmistry: by appearance, skin color, muscle density, nails and palm lines, you can diagnose and determine the nature of any disease.

With the help of diagnostic palmistry you can:

Find out about your predisposition to a particular disease and prevent it;
detect the disease at an early stage;
consult a doctor promptly for medical care;
trace trends in the development of the disease.

Even if you have never encountered palm reading, it only takes 5-7 days to master the basic skills of clinical diagnosis.


Download from turbobit.net
Treatment and diagnosis by palm. Atlas with illustrative examples (5.1 MB)
Download from depositfiles.com Treatment and diagnosis by palm. Atlas with illustrative examples (5.1 MB)



Author: Avdeenko A.A.
Series: Psychological workshop
Publisher: Phoenix
ISBN: 978-5-222-15355-0
Year: 2009
Format: PDF
Pages: 71
Russian language
Good quality
Size: 1.3 MB

The book examines issues of a little-studied area of ​​palmology - onychognostics. From the perspective of a promising direction developing in science - psychological anthropology and ancient occult ideas about man - the importance of nails in determining a person’s character, characteristics of his behavior, attitude to life problems, predisposition to certain diseases is considered.

The book will undoubtedly be of interest to those who are trying to understand the hidden mechanisms of human actions, for whom non-standard approaches to consider the nature of human existence, who are interested in issues of human science.

When you look at your nails, they are truly eloquent and will tell you a lot. Fingernails can signal trouble in some organ and state of health in general.

Diagnosis of health by nails

White spots
If you see white spots on your nails, this means that you need to look for reasons of internal origin. They may be anemia, impaired liver and kidney function, changes in the body during puberty and old age, as well as fever. Brittle nails
First reason fragility may arise from a decrease in the ability of their keratin (a protein substance that performs integumentary and protective functions) to bind water. Keratin forms at the root of the nail and gradually hardens on its way to the exposed part of the nail plate. The process of keratinization is disrupted under the influence of mechanical and organic factors.
The second reason The appearance of cracks and brittleness of fingernails can be due to external causes: the use of alkaline chemical solutions, aggressive cleaning agents, low-quality nail polish removers. In this case, rubber gloves, nail polish removers containing oil will help...
Third reason fragility is a lack of vitamins (avitaminosis) and iron in the body, as well as hormonal disorders.
A balanced, nutritious diet and taking medications prescribed by a doctor for hormonal disorders will help stabilize the structure. Fresh fruits, fish, dairy products, wholemeal bread, as well as traditional medicine will help the treatment.
Cracking of nails
Basically, cracking occurs from mechanical stress and damage, or wounds to the root of the nail, which then can no longer grow as a single element.
But if cracking occurs on several fingers at once and without external influences, it can be assumed that this is a sign of diabetes mellitus or a dysfunction of the thyroid gland.
Convex nails

A convex shape indicates significant changes in the body. The shape of the nail plate in this case becomes similar to a watch glass. If this form is hereditary, then it is not a disease.
If it occurs suddenly, this indicates a severe disorder of the heart, circulatory system, or lung disease. This is a signal to see a doctor.
Concave nail
The concave shape of the nail plate resembles a spoon because it has a small hollow in the center. This anomaly occurs most often in people whose work involves a warm and humid environment and contact with alkaline solutions.
But these troubles can be avoided if you use personal protective equipment.
Most often, these signs are accompanied by diseases of the stomach and intestines, anemia. In this case, it is necessary to increase the metabolic rate, and in folk medicine There are many tools to help you do this.
If you dream of long and elegant nails, then here is a recipe on the advice of German experts. In this case, you need to be patient and drink a cocktail in the morning for two weeks:
1. Dissolve in 1 glass mineral water 10 grams of powdered gelatin, add 1 tbsp. lemon juice and 1 tbsp. l. honey 2. Stir well and drink the cocktail 30 minutes before breakfast. This delicious cocktail is not such a big sacrifice in the name of beauty down to the tips of your nails.

Health status based on the appearance of nails

White semicircles
What do nails say? At the base of the fingers there are white semicircles - holes. In childhood, they are on every finger, but why older person, the smaller the holes become, and sometimes disappear altogether. These holes are also a mirror of the health and illnesses of each person.
Thumb- the lung meridian approaches it. If the hole has changed its shape and has become narrower, then we can assume a disturbance in the functioning of the lungs, bronchi, in combination with brain pathology.
Forefinger responsible for the large intestine. A decrease or disappearance of the hole indicates serious problems in the large intestine, liver, and pancreas. It may also be associated with gynecological diseases.
Middle finger associated with the vascular system: veins, capillaries, arteries. A change in the shape of the socket may be the first signal of incipient atherosclerosis.
Ring finger can characterize a whole bunch of diseases: disruptions in the functioning of the endocrine and lymphatic systems, in the function of the thyroid gland and some other endocrine glands.
Little finger gives information about the most important organ - heart, as well as the condition of the small intestine. The disappearance of the hole on the little finger is associated with hypertension. Heart rhythm disturbances, small intestinal dysfunction.
You should know that at the age of 25-30 years, changes in the shape of the sockets are not associated with the diseases listed above.
If your nails make you take care of your health, they will be the first to report positive changes in your body. The holes will begin to increase in size, which means that the diseases will recede.
Transverse grooves
Transverse grooves appear due to poor circulation in the nail bed. In this case, the growth of the nail plate may slow down. But the cause of the appearance of grooves can be serious illnesses or poisoning, excessive dieting, previous operations, pregnancy and severe mental shock.
Longitudinal furrows

Longitudinal grooves usually signal pancreatic disease, diabetes and other diseases associated with metabolic disorders in the body. Often the reason for their appearance lies in a lack of vitamin A, in improper functioning of the stomach and intestines.
You can get rid of such grooves: You should include more foods containing vitamin A in your diet, such as carrots, tomatoes, spinach, and egg yolks. Liver and wholemeal products.
You can regulate your metabolism using traditional medicine recipes.
1. Take 1 glass of kefir, pour 1 tablespoon of buckwheat crushed in a coffee grinder into it, mix thoroughly, cover with a napkin and leave overnight.
2. In the morning, drink 30 minutes before breakfast. Take this remedy regularly for a long time.
3. Regularly consume feijoa fruits or juice with pulp from them, 50-100 g per day, 20 minutes before meals.

Experts believe that diagnostics of fingernails can tell an inquisitive eye everything about the health of the human body.

The appearance of the nail plates can tell a person more about their health than it seems at first glance. Some nail diseases can be predicted before severe symptoms appear. This method was first actively used by healers of Ancient China, which later allowed them to combine their knowledge into a single system. Knowing it, you can quite accurately determine the weak points of the body without any special equipment.

It is better to have a specially trained professional handle the diagnosis. However, the most obvious deviations can be recognized by anyone on their own. The peculiarity of this technique is that a person’s age has absolutely no effect on the quality of diagnosis - even at 20 years old, even at 70, the examination results will indicate the same deviations from the norm.

The condition of the nail plate directly depends on the coherence of work within the endocrine system. It is responsible for regulating the functioning of organs, their interaction, supporting normal functioning, growth and development of the body. And if a failure occurs in any place, this affects the growth and health of the nail.

The nail plate consists of many layers of keratin with layers of fat and water, which gives a healthy nail a matte shine. It is surrounded on three sides by a fold of skin that prevents bacteria and dirt from entering the growth area. The structure is porous, allowing it to absorb substances applied to it (vitamins, antifungal ointments), which makes it possible to directly influence the condition of the nails and return their normal appearance as quickly as possible.

What does a healthy nail look like?

Before you start examining your fingernails for any abnormalities, you need to know what they look like when they are completely healthy. Normal appearance:

  • no burrs;
  • even pink tint, without spots or clouding;
  • the surface is flat and smooth with a matte shine, without pits, cracks, lamination and other irregularities;
  • the end is light, the plate itself is translucent;
  • the lunula (a light crescent-shaped area at the base) is clearly visible, white-pink in color, and is present on all nails;
  • elasticity and density allow it not to break or bend at the slightest mechanical impact.

The relationship between organs and fingernails

Each finger on the hands is connected to a specific system in the body. If the initial diagnosis of nails reveals problems on one of them, this may mean problems with certain organs:

  1. The thumb indicates problems with the brain, cranium, and respiratory system.
  2. Index - inflammatory processes and infections of the oral cavity and teeth.
  3. Medium - directly related to the cardiovascular system and heart.
  4. Nameless - nervous and urinary system.
  5. Little finger - gastrointestinal tract, reproductive system.

Negative changes are not always so obvious that they can be recognized at an early stage. However, there are some warning signs that indicate the onset of more obvious symptoms:

  • Growth has slowed. Normally, it grows about 1 mm per week.
  • The color has become cloudy or changed, spots or streaks have appeared.
  • The relief and structure have changed, convex or concave areas have formed.
  • The nail became brittle, thinned, began to peel, and cracks appeared.
  • The color or size of the lunula on at least one finger has changed.

Identification of diseases by fingernails

There are a number of signs indicating problems in the body that your nails may indicate:

  • Convex shape: liver and blood diseases, hepatitis, heart failure, colitis, thyroid gland, sometimes the onset of tumor formation.
  • Concave shape: lack of vitamins and minerals, anemia, skin diseases, thyroid problems.
  • Thin and small lunula: lung problems, a common symptom of smokers. Can also mean low level hemoglobin and red blood cells (anemia, anemia).
  • Too large lunula: problems with the cardiovascular system, circulatory problems.
  • Many small pits: inflammation of the joints in the initial stage. Often appear with psoriasis along with cloudy yellow-brown spots along the edges of the nail.
  • The shade of the nail or lunula is bluish: problems with the liver or blood circulation.
  • Grooves parallel to growth: inflammation of the teeth or sinuses, damage to the joints and cardiovascular system.
  • Longitudinal depressions transverse to growth: problems with the liver, spleen or gastrointestinal tract, lack of zinc.
  • Flat shape with an overhang at the end of the nail, more common on the feet: heart disease.
  • Arced lines running from the lunula parallel to each other: lack of protein.

If the lunula is missing on one of the fingers:

  • Large - traumatic brain injury or advanced brain disease.
  • Index - diseases of the pelvic organs, liver, respiratory system, colon.
  • Medium - failures of the circulatory system, pressure drops.
  • Unnamed - inflammation of the lymphatic system, difficult metabolism.
  • Little finger - diseases of the cardiovascular system, heart rhythm disturbances, severe slagging of the small intestine.

Nail color and diseases

A healthy color is pink. Any deviation may indicate a nail disease:

  • A gradient of two colors: milky at the base, gradually turning into pink - acute renal failure. The lunula does not have clear boundaries.
  • A dark longitudinal stripe in the middle (melanonychia) is a subungual melanoma. In this case, a nail biopsy should be performed as soon as possible. If there are several stripes or they are not clearly expressed, this may mean fungal infection, a consequence of long-term use of antibiotics or chemotherapy. Possibly - poor-quality manicure or close contact of the nail with tobacco.
  • Brown tint - pyelonephritis and kidney failure, diabetes mellitus, Addison's disease, malnutrition, taking certain medications. The brown color can also be caused by aggressive nail polish. If a green tint has been added to the brown, this may be a sign of candidiasis or aspergillosis.
  • Cloudy color, yellow and brown spots are most likely a fungus, sometimes a consequence of taking antibiotics.
  • Yellow - the liver or lymphatic system is affected, slow digestion. But more often - poor-quality manicure.
  • Black color - acute thrombosis of the limb, gangrene in diabetes mellitus are possible.
  • Blue tint - pathologies of the respiratory system, infectious lesions of the lungs. Possibly diabetes mellitus if the blue is only at the base of the nail.
  • A completely pale or white nail - cirrhosis of the liver, anemia, gastrointestinal diseases. If there is a small arc-shaped dark border, this may mean hepatitis C, and if the border is pink, it may mean jaundice.
  • White spots - lack of nutrients (Ca, Fe, Zn, vitamins A, B, C, E), excessive sugar consumption, reduced immunity and neuroses.
  • Black spots and dots indicate subungual hematoma, sometimes inflammation of the inner lining of the heart (endocarditis).

Causes of furrows and stripes

The surface of the plate must be smooth. If irregularities appear, this may indicate the beginning of some kind of deviation:

  • Stripes transverse to growth: a trace of severe stress, fever or infection. Improper care, unbalanced diet, vitamin deficiency.
  • Longitudinal stripes: associated with nutrition and neuroses (severe malnutrition or, conversely, overeating carbohydrates, insomnia, depression, intestinal problems, iron deficiency).

Another reason for such stripes is problems with joints, arthritis (often accompanied by wavy depressions on the nail plate). Failure of the reproductive system. If the presence of longitudinal stripes accompanies a rash on the chest, abdomen, groin, armpits, etc., this may indicate a symptom of lichen planus.

Transverse dents may indicate any inflammatory processes in the body, ranging from caries to inflammation of the gallbladder or kidneys. These are rare cases and are always accompanied by other symptoms: fever, various body pains, etc. Most likely, the cause of the dents lies in a sudden change in diet or improper care: if you press hard on the base during a manicure or cut the cuticle carelessly.

How does nutrition affect the condition of nails?

In most cases, problems arise due to an ill-conceived diet, which contains a small amount of useful substances, even their complete absence. For example, with a lack of calcium and zinc, white spots appear on the nail plate, which can grow into stripes with uneven edges. There may also be grooves and unsightly dimples that can ruin even the best manicure. The most common problems due to an unbalanced diet:

  • White spots, slow growth - lack of micro and macroelements (calcium, zinc).
  • Numbness of the limbs - deficiency of B vitamins, in particular, lack of cyanocobalamin (B12).
  • Cracks, increased fragility, thinning, lamination - lack of vitamin C, magnesium.
  • Hangnails - need vitamins A and E.

What to do about it is obvious. It is enough to compensate for the deficiency of vitamins and minerals, eat more vegetables and fruits, instead of sugar and flour products. Food of animal origin should appear on the table periodically: lean fish, meat, offal, dairy products. Store-bought juices should be replaced with freshly squeezed ones.

Other reasons for the change

Various mechanical influences can also cause changes appearance. For example, harsh cleaning chemicals can make the plates brittle and change color. To prevent this from happening, be sure to use rubber gloves, even when washing dishes. And after tidying up, it wouldn’t hurt to treat your nails with high-quality apple cider vinegar, ideally made independently.

Another common reason for the deterioration of the condition is poor-quality manicure and instruments that damage the plate. This is especially true for varnish in red and dark shades, which can turn it yellow and unattractive in just a couple of days. To avoid this, you need to choose high-quality varnish and apply a transparent base under the colored layer.

Changes in nails do not always indicate dangerous diseases. Otherwise, symptoms will spread throughout the body. They are more likely to indicate to the doctor which organ should pay special attention to, rather than become the only visible symptom of the disease.

In any case, it is necessary to periodically conduct an examination to increase the chance of identifying the disease at the initial stage and avoid long-term treatment with possible complications.



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