Dyspepsia feeling cold in the body may be related to malnutrition, anemia, hypothyroidism leading to dyspepsia and other reasons, as follows. 1. Malnutrition: patients with dyspepsia may suffer from malnutrition due to digestive and absorption disorders, leading to a decrease in basal metabolic rate, autoimmunity, and chills. 2. Anemia: dyspepsia will lead to the absorption of nutrients and hematopoietic raw materials, resulting in iron-deficiency anemia or megaloblastic anemia, etc. Due to the lack of blood and oxygen, the patient may suffer from fatigue, dizziness, and fear of cold. 3. Hypothyroidism leading to indigestion: If hypothyroidism leads to indigestion, due to the reduced level of thyroid hormones in the body, the patient will also experience symptoms of chills. There are many reasons why indigestion feels cold, you can first rule out whether you have an elevated body temperature. It is recommended to consult a doctor in time for targeted treatment to avoid adverse effects.