Stomach discomfort dry nausea dizziness and sweating may be caused by chronic gastritis, duodenal ulcer, encephalitis, etc., which can be treated under the guidance of the doctor through general treatment, drugs (esomeprazole, omeprazole, acyclovir, etc.) surgery and other ways. 1. Chronic gastritis: if the patient has autoimmune abnormalities, long-term diet irregularities, damage to the gastric mucosa, resulting in gastric discomfort dry nausea dizziness sweating, patients need to pay attention to replenish a variety of nutrients, eat less pickled food, eat more fresh food, but also the use of Esomeprazole, Clarithromycin, Amoxicillin and other drugs for treatment. 2. duodenal ulcer: due to high gastric acid, pepsin attack, resulting in an imbalance of defense, digestion of their own mucosa, patients will appear stomach discomfort dry nausea dizziness sweating, patients need to avoid intake of stimulating food, avoid overeating. Can also be treated by drugs, commonly used drugs are omeprazole, famotidine, metronidazole, etc., but also through surgical methods, such as gastric resection and vagotomy. 3. Encephalitis: upset stomach dry nausea dizziness and sweating may be caused by encephalitis, mainly caused by viral, bacterial, fungal and parasitic infections, need to be under the guidance of a doctor, drug treatment, such as acyclovir, interferon, dexamethasone, and so on. It is recommended that patients go to a regular hospital in a timely manner, under the guidance of the doctor, according to the patient’s condition, to take targeted treatment, patients need to strictly comply with the doctor’s instructions to use drugs, not blindly or change the dose of drugs without authorization, in order to avoid adverse effects on the body.