Hypovitaminosis of vitamin A (retinol)
- Published in Diseases of the skin and subcutaneous tissue
- What is the Hypovitaminosis of vitamin A (retinol)
- What triggers / Causes of Hypovitaminosis of vitamin A (retinol)
- Symptoms of Hypovitaminosis of vitamin A (retinol)
- Treatment of Hypovitaminosis of vitamin A (retinol)
- Which doctors should be consulted if You have a Deficiency of vitamin A (retinol)
What is the Hypovitaminosis of vitamin A (retinol) -
Vitamin a is a substance, practically insoluble in water, but soluble in fatty substances. The synthesis of this compound occurs only in organisms of animal origin. In the human body gets products such as milk, butter, egg yolks, liver. Precursors of vitamin A is found primarily in foods of plant origin (mainly carrots, spinach).
The main functions of vitamin A in the human body are the maintenance, growth and reproduction, the implementation of color vision, metabolism of proteins, fats and carbohydrates, the production of sexual hormones, the regenerative processes in skin cells, the formation of the stratum corneum, the maintenance of normal immunity, the prevention of harmful mutations.
What triggers / Causes of Hypovitaminosis of vitamin A (retinol):
Causes of violations
A vitamin deficiency in the human body is mostly observed at low and poor nutrition, young children - during the diet about diathesis, in violation of the liver and intestine, associated with the transformation of provitamin directly to a vitamin substance.
A lack of vitamin A in the body, or a deficiency of vitamin A occurs predominantly in the form of violations of the functions of the different organs and systems. All causes of vitamin deficiency in the body can be subdivided into two large groups: exogenous, or related to environmental conditions, and endogenous, or dependent on the patient's body.
In most cases, as there is insufficient content of vitamin substances used by the patient in the diet. This may be at a uniform diet, when not balanced content of basic nutrients in the foods consumed. In children this may occur in case of early termination of breastfeeding and the transition to feeding mixtures in patients people with long-term and unsustainable diet. Very relevant is also the question of preservation of vitamins in foods, aided by their correct storage and high-tech processing methods.
Endogenous or secondary deficiency of vitamin substances mainly related to the violation of the normal digestion and absorption in the stomach and intestines. It can also be observed mainly for conditions such as parasitic diseases, pregnancy, breast-feeding, liver diseases of various origins, in the presence in the body of malignant tumors, digestive disorders hereditary nature, increased thyroid function, impaired adrenal function, when taking certain medications (mostly antibiotics and other antibacterial drugs). A special group of endogenous causes of hypovitaminosis constitute a condition in which there is an increased need of vitamins (for example, during disease, prolonged strenuous exercise, prolonged stress, at very high or low ambient temperatures, during periods of oxygen starvation and consuming large amounts of alcohol).
At the same time, there are vitamin substances, the lack of which in the organism is almost never.
Symptoms of Hypovitaminosis of vitamin A (retinol):
The earliest symptom of deficiency of vitamin A is the disturbance of night vision.
At a later date to join these violations a violation of the normal keratinization of the skin and mucous membranes, especially the mouth. In children up to the age of the period of puberty as a result of deficiency of vitamin can detect the dryness of the skin, it is easy to peel off, there is excessive keratinization.
In adults, in addition to the above signs appear increased fragility of the nail plate, hair loss, increased tendency to increased keratinization of the skin. The same symptoms can often be identified in the congenital form of ichthyosis and follicular types of keratosis.
Treatment of Hypovitaminosis of vitamin A (retinol):
For the purpose of treatment of hypovitaminosis of vitamin A , mainly used in synthetic preparations of vitamin And. They can also be used in pathologies such as congenital ichthyosis, follicular hyperkeratosis, seborrhea, eczema, purulent skin lesions, proceeding with the development of ulcers, ulcers of venous origin. The therapy was continued for 2 months, because only in this way can achieve quite a pronounced therapeutic effect. The next time you experience signs of the disease, the therapy course should be repeated. Currently there are both tablet and injectable form of the vitamin.
Which doctors should be consulted if You have a Deficiency of vitamin A (retinol):
- Dermatologist
- Nutritionist