Tohypovitaminosis iavitaminosis B1 (beriberi) is predisposed by pregnancy, lactation, hard physical labor, febrile illnesses, thyrotoxicosis, diabetes mellitus. The daily requirement for a vitamin is within 2 mg.
Symptoms and course of vitamin B1 deficiency . Widespread damage to the peripheral nerves (polyneuritis) and the cardiovascular system. Patients complain of fatigue, headache, shortness of breath, palpitations during exercise. Concerned about paresthesia (feeling of “crawling”) and a decrease in skin sensitivity of the legs, and then other parts of the body, a feeling of weakness and heaviness in the legs, lameness, swelling, rapid pulse, lowering blood pressure. Possible disorders of the functions of the digestive system, vision, psyche.
Recognition of vitamin B1 deficiency is carried out on the basis of clinical data, the level of thiamine in daily urine is below 100 μg, the content of cocarboxylase in erythrocytes is below 20-40 μg / l.
Treatment of vitamin B1 deficiency . Vitamin B1 is prescribed in combination with other vitamins (nicotinic acid, riboflavin, vitamin B6), symptomatic therapy is carried out. Eat food with a high content of vitamin B1: wheat and rye bread, yeast, peas, egg yolk, pork.