What symptoms can severe anemia have?

Severe anemia patients will appear fatigue, chest distress, shortness of breath, decreased appetite, abdominal fullness, increased heart rate, dizziness, tinnitus, insomnia, dreaminess, nausea and vomiting, constipation, concentration and other clinical manifestations. Patients should go to the hospital as soon as possible for diagnosis and treatment, follow the doctor's advice to take iron and other drugs for treatment.