There are many reasons for dizziness, nausea and sweating, the first consideration is hypoglycemia, cold and other diseases, followed by vestibular dysfunction, cardiovascular and cerebrovascular diseases and even upper gastrointestinal bleeding, which may lead to the appearance of these symptoms, the common causes are as follows: 1, hypoglycemia: when blood sugar is lower than normal, hypoglycemic symptoms will occur, such as dizziness, nausea, sweating, palpitations and other symptoms, often accompanied by shaking hands, hunger 2, cold: due to viral or bacterial infections, which can cause abnormalities in various systems of the body, some cold patients may also experience dizziness, nausea, sweating, coughing, coughing and other symptoms; 3, vestibular dysfunction: common are Meniere’s disease and vestibular neuronitis, mostly due to peripheral vertigo caused by lesions in the vestibular part or the vagus of the inner ear, extracranial segment of the vestibular nerve, which can cause autonomic symptoms Such as dizziness, nausea, sweating, chest tightness and pallor, etc.; 4, cardiovascular and cerebrovascular diseases: common are hypertension, atherosclerosis, etc. If the blood pressure is too high, symptoms such as dizziness, nausea and sweating may occur; when atherosclerosis occurs, blood circulation is poor, which can lead to insufficient blood supply to the brain, and symptoms such as dizziness, nausea and sweating may occur after a little activity; 5, gastrointestinal bleeding: when the gastrointestinal When there is a large amount of bleeding, it can cause the body’s blood volume to decrease, leading to symptoms such as dizziness, nausea, sweating, abdominal pain, and even anemia in severe cases. When symptoms such as dizziness, nausea and sweating occur, it should be taken seriously and it is recommended to go to the hospital to identify the cause of the disease and carry out cause-specific treatment. Pay attention to the regular diet in daily life, avoid staying up late, and you can increase physical exercise appropriately according to your body condition to improve the immunity of the body.