What causes anemia
Now there are many patients with anemia, the vast majority are female patients. Anemia is divided into different types, and the most common causes of anemia, there are usually the following.
1. Iron is an important trace element in human body, and also an indispensable factor in the process of hematopoiesis. The lack of iron intake in diet is a common cause of anemia. Lack of vitamin B12 can also lead to anemia. Especially in the people who are picky and partial eaters, they are lack of iron, protein, vitamin B12 and other elements needed for hematopoiesis.
2. Some patients do not lack iron in their diet, but the body’s poor absorption and loss of iron is serious, which can easily lead to anemia. For example, gastrointestinal absorption is not good, ulcers, hemorrhoids and female menstruation, functional uterine bleeding, etc., will lead to anemia.
3. A large amount of blood loss in the human body can also cause anemia. Due to surgery, trauma and other factors, it is also likely to cause anemia in the body.
The above is the most common cause of anemia. Therefore, we can take some preventive measures to effectively prevent anemia.
What symptom does serious anaemia have
There are many causes of anemia, so the symptoms of anemia will be different. The degree of decrease of blood oxygen carrying capacity, the degree of decrease of blood volume, the speed of anemia and the compensation and tolerance of blood, circulation and respiratory system will affect the clinical symptoms of anemia. The most common symptoms of anemia are dizziness, tinnitus, headache, insomnia, dreaminess, memory loss, inattention and so on, which are caused by the damage of neural tissue caused by anemia and hypoxia. Anemia patients with pale face is also more common, this is because the body through the neurohumoral regulation of effective blood volume redistribution, relative to the secondary organs such as skin, mucosa is reduced blood supply. There are also patients with rough, lack of luster, may also be related to the primary disease of anemia. Hemolytic anemia may cause yellowing of skin and mucous membrane. And these symptoms will deepen because of the severity of the disease.
In addition, patients with severe anemia will also have the symptoms of accelerated breathing, palpitation and heart rate acceleration. The more serious the anemia is, the more obvious the symptoms are. Severe anemia patients sometimes have symptoms of shortness of breath in a calm state.
Anemia will also affect the operation of digestive system, urogenital endocrine system, leading to indigestion, oliguria, anuria, acute renal failure, etc.