Increased appetite is mainly considered to be related to physiological factors such as fatigue or pathological factors such as hyperthyroidism, diabetes mellitus and tumors.
1. Physiological factors: when the patient is too tired, too much exercise, mood is better, it is easy to lead to a big increase in appetite, which is a normal physiological phenomenon.
2. Hyperthyroidism: patients with hyperthyroidism, due to increased metabolic function of the body, resulting in increased consumption of energy, and the phenomenon of appetite.
3. Diabetes mellitus: Diabetes mellitus patients can also experience intense polydipsia and polyphagia due to abnormal pancreatic islet function.
4. Tumor: For malignant consumptive diseases like tumor, due to the excessive growth of tumor cells which requires a lot of energy, it can also lead to the situation of big increase in appetite but not weight gain.
Increase in appetite may also be related to other reasons. It is suggested that patients should go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or therapy under the guidance of the doctor.