Patients with acute gastritis may experience fever due to acute inflammation in the gastrointestinal tract. The mucosa becomes congested and inflammatory cells infiltrate, releasing pyrogens that affect the body's temperature regulation center, causing fever. It is important to treat the fever promptly. If the body temperature does not exceed 38.5°C, physical cooling methods like wiping the forehead, palms, and soles with alcohol cotton balls can be used. If the temperature is higher, antipyretic and analgesic medications should be taken. It is also important to drink more hot water since fever can cause dehydration. Medications that inhibit stomach acid secretion and protect the gastric mucosa should be used timely. Note: Medications should be used under the guidance of a doctor.