Symptoms of vitamin D deficiency and how to prevent it?

Symptoms of vitamin D deficiency

 Vitamin D deficiency in the body is the main cause of many diseases. Learn through the following article about the role of this vitamin and the risks of its deficiency in the human body and the reasons for that. Learn more about treatment and prevention methods with Ilagak Medical.

Definition of vitamin D deficiency

Symptoms of vitamin D

Vitamin D deficiency is a pathological condition that occurs when the level of vitamin D in the body decreases below the normal limit because the body is not exposed to the sun enough for vitamin D to be synthesized, or because there is a defect in the body that impedes the body’s ability to synthesize the vitamin. Vitamin D deficiency leads to the emergence of a group of neurological and psychological symptoms, as well as symptoms in the muscles, bones, and others.

What is the role of vitamin D in the body?

Vitamin D is a fat-soluble vitamin that is important for the normal functioning of a number of bodily functions. Functions that require vitamin D include:

Bone building

Maintaining normal calcium levels in the blood and bones

Regulation of nerve impulse transmission

Contribute to the contraction and relaxation of muscles

Regulating the work of the heart and preventing heart disease and diabetes.

Strengthening and supporting the immune system and preventing infectious diseases

What are the most important sources of vitamin D?

The body obtains most of its need for vitamin D through its own manufacture, starting from cholesterol, during exposure to sunlight and absorption of ultraviolet rays to the skin, and the body gets a small amount of vitamin D from food sources that include:


the milk

red meat


Fatty fish such as salmon, tuna and mackerel

How much vitamin D do I need?

The daily requirement of vitamin D for an adult is approximately 600 international units, and the need for vitamin D increases with age and reaches 800 international units per day for the elderly.

The severity of vitamin D deficiency varies according to the level of the vitamin in the body, as:

Can too much vitamin D be harmful?

High vitamin D levels of more than 125 nmol/L lead to vitamin D poisoning, which leads to hypercalcemia, and thus nausea, vomiting, weakness, irregular heartbeat, acute pancreatitis, kidney problems, and bone pain. Therefore, you should not take excessive amounts of vitamin D and stick to the allowed daily dose only.

Causes of vitamin D deficiency

Symptoms of vitamin D

Vitamin D deficiency occurs due to one of the following reasons:

Not being exposed to the sun enough to synthesize vitamin D in the body

The inability to absorb or synthesize vitamin D due to malabsorption diseases, genetic diseases, or kidney diseases

Not getting enough vitamin D from food.

risk factors

Risk factors for a vitamin D deficiency include:

Brown and black people


Living in cold areas with little exposure to the sun


Do not eat fish or dairy and milk products

Not getting outside enough or working from home

Chronic kidney disease such as kidney failure, liver disease, or hyperthyroidism

Diseases that lead to malabsorption, such as Crohn's disease and celiac disease

Previous gastric bypass surgery

Using drugs that affect the synthesis of vitamin D, such as statins and steroids

Always use sunscreen when leaving the house, as sunscreen prevents the absorption of ultraviolet rays

What is the most vulnerable group to vitamin D deficiency?

When living in cold and far from the sun, where the summer lasts only for a short period, the levels of vitamin D in the body decrease dramatically, and therefore the residents of these areas, in addition to the elderly and those with chronic diseases, are the groups most vulnerable to vitamin D deficiency and the resulting damages. .

Effects of vitamin D deficiency

Vitamin D deficiency causes a group of damages that negatively affect the body, and the most important vitamin D damages are:

Low bone density, osteoporosis, and increased risk of fractures

Deficiency of calcium in the blood

Low phosphate in the blood


Muscular weakness and fatigue

Malabsorption and nausea


Disorders in the transmission of nerve signals


Symptoms of vitamin D deficiency in the body

Vitamin D deficiency in the body causes a wide variety of symptoms that involve a large number of organs and body systems, including:

Psychological symptoms of vitamin D deficiency

Vitamin D deficiency causes changes in the psychological state, the most important of which is anxiety, tension, and mood changes, as several studies link vitamin D deficiency with anxiety disorders, and other studies in pregnant women prove that the presence of sufficient vitamin D greatly contributes to improving mood, comfort, and getting rid of anxiety. .

Symptoms of vitamin D deficiency on the muscles

Vitamin D deficiency causes muscle pain, muscle weakness, difficulty moving, and a lack of muscle contraction. This is because vitamin D is important for maintaining normal levels of calcium in the body, and calcium, in turn, is important for muscle activity and health, for getting rid of energy consumption and preventing muscle fatigue. With a lack of vitamin D, a lack of calcium causes muscle pain, weak contraction, and fatigue.

Symptoms of vitamin D deficiency on the skin

Vitamin D deficiency causes a range of symptoms on the skin, which include:

Dry skin and premature skin aging

skin cracks

Hair loss because vitamin D is necessary for the growth of hair follicles

Delayed and poor wound healing

Skin rash, noticing redness and itching with dry skin

young love

Symptoms of vitamin D deficiency on the bones

Vitamin D is an essential element in the process of bone formation, bone cell building, and calcium deposition in bones. Without the presence of vitamin D or when there is a deficiency in its levels, bone density will decrease dramatically due to the withdrawal of calcium and phosphate from the bones and their transfer to the blood, which leads to:


Bone pain

Ease of exposure to fractures and bruises

Symptoms of vitamin D deficiency on the nerves

Vitamin D deficiency causes a number of neurological problems, because vitamin D causes calcium deficiency in the blood and calcium is necessary for the completion of neurological functions. Therefore, vitamin D deficiency leads to delayed transmission of nerve signals and to problems including:

Dizziness and fatigue

Poor focus

Impaired memory and cognitive functions

epileptic seizures;

Disorder of consciousness and confusion in cases of persistent severe vitamin D deficiency

The most dangerous symptoms of vitamin D deficiency

Vitamin D causes a large number of important signs and symptoms, but the most serious symptoms of vitamin D are those associated with a lack of calcium in the blood, which include:

Heart problems, the most important of which is slow heartbeat and irregular heartbeat

Advanced neurological symptoms such as disturbed consciousness, confusion, coma, and epileptic seizures

Vitamin D deficiency and depression

Vitamin D plays an important role in neurotransmission and electrical signals in the brain. It also regulates the release of psychologically important neurotransmitters such as dopamine and serotonin and helps them bind to cells. Therefore, a deficiency in vitamin D can cause mood disorders, depression, and mental state changes.

Diagnosis of vitamin D deficiency

Vitamin D deficiency can be diagnosed through blood tests to measure the levels of the vitamin and its derivatives in the blood. In addition, this analysis is not routinely requested, but it is the test by which vitamin D deficiency can be diagnosed.

There are two types of vitamin D that can be measured in the blood, namely:

The primary or inactive type of vitamin, vitamin D2 or calcidiol

The active kind, vitamin D3, or calcitriol

In most cases, blood analyzes are conducted to measure the amount of the inactive type D2, because its levels in the blood are higher and because its stay in the blood is longer, which makes it easier to detect than the active type D3.

Psychological symptoms of vitamin D deficiency

Treating vitamin D deficiency

Treatment of vitamin D deficiency aims to compensate for the deficiency in the vitamin and restore its levels in the body to the normal range. Vitamin D is usually treated using nutritional supplements, and the daily therapeutic dose is determined based on a number of factors, including age, amount of sun exposure, diet, and general condition.

The following doses are given according to the age group:

Children under 1 year: 400 IU per day (10 mcg)

1-70 years: 600 IU daily (15 mcg)

Older adults over 71: 800 IU (20 mcg) daily.

In cases of severe vitamin D deficiency, vitamin D compensation may need medical treatment through vitamin D injections containing 50,000 international units. The patient is given several injections over a period of several weeks, then he follows up with nutritional supplements as before.

Symptoms of vitamin D deficiency

Magnesium helps improve vitamin D absorption, so it is possible to give magnesium supplements for treatment.

In addition to replacing vitamin D through medical treatment and nutritional supplements, it is also important to modify the diet to increase the intake of vitamin D-rich foods, which include:

fatty fish


the milk

red meat

beef liver

Dairy products

Also, continuous exposure to the sun is important in order to increase the production of vitamin D in the body. Going out in the sun for half an hour in the morning every day is beneficial in improving vitamin D levels.

Is vitamin D deficiency transmitted to a Hollywood smile?

Vitamin D deficiency causes calcium deficiency in the body and osteoporosis, which in turn affects the jaw bones and teeth. It increases the risk of periodontal disease, alveolar osteitis, gingivitis, and dental caries. It also helps build up waste products on the teeth and gums, which can damage a Hollywood smile.

Your medical advice to prevent vitamin D deficiency

In most cases, vitamin D deficiency can be prevented by following simple daily steps that include:

Go out in the sun every day for at least half an hour

Eat food rich in vitamin D

Drink enough water to maintain kidney health, as the kidneys are where vitamin D3 is synthesized

Avoid drinking alcohol to protect the liver from damage, as the liver makes the first form of vitamin D (vitamin D2).

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