It is normal to be incredibly tired a few days before menstruation, mainly because before menstruation, the body hormone level changes more, most women can appear tired, but also can appear back pain breast swelling, general discomfort. Severe patients can have premenstrual swelling, which can return to normal after menstruation and need not be worried. However, if you are too tired, you need to be alert for diseases such as anemia or lack of qi and blood, so you can see your doctor for a routine blood test. If you are suffering from anemia, you need to pay attention to finding the cause of the disease and then give appropriate treatment measures. If the body is weak, you need to pay attention to eat more nutrients, you can eat more chicken soup and fish soup and other foods that help nourish the body, and if necessary, you can also give medication.