Nausea

Introduction Nausea (nausea) is a kind of stomach discomfort that can cause vomiting impulses. It is often a precursory vomiting sensation, but it can also appear alone. It is mainly characterized by special discomfort in the upper abdomen, often accompanied by dizziness, runny nose, slow pulse, Vaginal excitability symptoms such as lowering blood pressure.

Cause

1, digestive system infectious diseases: food poisoning, acute gastroenteritis, viral hepatitis.

2, visceral painful diseases: acute intestinal obstruction, pancreatitis, cholecystitis, peritonitis.

3, central nervous system diseases: encephalitis, meningitis, hypertensive encephalopathy.

4, drug-induced: chemotherapy drugs, digitalis drugs, certain antibiotics such as erythromycin.

5, motion sickness: people with motion sickness and seasickness can appear nausea and vomiting.

6, neurological vomiting: Some people have developed from childhood or school age, may have a family history, more common in women.

7, other: acute glaucoma, Ménière's disease, pregnancy vomiting, indigestion and so on.

an examination

Related inspection

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First, physical examination

Pay attention to blood pressure, respiratory odor, abdominal tenderness, rebound tenderness, gastrointestinal peristalsis and intestinal type, abdominal mass, bowel sounds, and water sounds. Perform nervous system, vestibular nerve function and ophthalmologic examination when necessary.

Second, laboratory and other inspections

According to the patient's condition, blood routine, urine routine, urine ketone body, blood sugar, electrolyte series, blood gas analysis, urea nitrogen, blood and urine powder enzymes, cerebrospinal fluid routine, toxicological analysis of vomiting liquid can be selected.

When there are indications, do abdominal X-ray or plain film, gastrointestinal barium meal imaging, fiber gastroduodenaloscopy, electrocardiogram, abdominal or brain B-mode ultrasound, CT or magnetic resonance, cerebral angiography.

Differential diagnosis

Nausea may be caused by nausea, or it may be a sign of a more serious illness, such as a warning sign of a heart attack or stroke. Women's extreme nausea and symptoms similar to a cold may be a sign of heart disease. In addition, if nausea, fatigue, loss of appetite, or early symptoms of viral hepatitis, you should go to the hospital for examination. Many women will be disgusted before menstruation. Half of women will feel sick when they are pregnant. After getting up in the morning, drink a cup of mint tea, and the symptoms may disappear immediately.

Occurred after a meal: diagnosis of nausea possibility: gastrointestinal disease, hepatitis.

After the meal, there is abdominal pain, sour water, heating, burning, and even nausea, vomiting, hematemesis, blood in the stool, it is likely to have gastritis or ulcers. There is a feeling of pain in the back of the chest when eating, the lower pharynx is blocked, paused, and when it is light and heavy, the patient may have esophagitis, esophageal diverticulum or early esophageal cancer. Right upper abdominal pain, accompanied by nausea, anaesthesia, etc., should consider whether you have liver and gallbladder disease. Pain in the chest and abdomen after a meal, accompanied by palpitation, shortness of breath, feeling of depression, should be alert to cardiovascular disease.

The material in this site is intended to be of general informational use and is not intended to constitute medical advice, probable diagnosis, or recommended treatments.