Usually, pallor is not always caused by diseases, some patients may be caused by physiological reasons, or may be caused by anemia, coronary atherosclerotic heart disease and other diseases.
1. Physiological reasons: the patient may be subjected to a sudden shock, and the blood vessels in the face may be tightened sharply, resulting in a transient shortage of blood supply to the face, and thus the patient may develop the symptom of pallor.
2. Anemia: the patient may suffer from a decrease in the amount of red blood cells and hemoglobin in the peripheral blood, leading to a decrease in the blood flow to the skin and mucous membranes, which may cause the patient to look pale.
3. Coronary atherosclerotic heart disease: the patient’s coronary arteries may be narrowed or blocked, resulting in a weakening of the heart’s ability to pump blood throughout the body, making it difficult for blood to flow smoothly to the face, and thus making the patient pale.
Other diseases may also lead to pallor. It is recommended that after eliminating physiological causes, patients should consult a doctor in a timely manner and follow the instructions of a medical professional to deal with the problem accordingly.