What diseases can cause folic acid deficiency

Many diseases can cause folic acid deficiency, such as cold, fever, hemolytic anemia, leukemia, hyperthyroidism, malignant tumors, hemodialysis, etc. It should be noted that folic acid deficiency is not necessarily caused by disease, malnutrition, excessive picky eating, taking certain drugs can also cause folic acid deficiency, such as taking contraceptives. When folic acid deficiency, it must be supplemented under the guidance of a doctor. Patients should pay attention to diet in life, eat more protein-rich foods, and maintain a balanced nutrition.