Nausea is a kind of heavy feeling in the epigastric region and throat. Nausea may precede vomiting (see). The mechanism of nausea unclear. Consider that nausea is the initial manifestation of irritation vomiting center. Often, nausea noted in combination with other vegetative disorders - a pale skin, increased flow and salivation, decrease in blood pressure, cooling of the extremities.
Nausea occurs not only in diseases of the gastrointestinal tract, but also for many others. Nausea occurs in the Central nervous system as one of the symptoms of tumors and abscesses of the brain concussionsand neuroses and psychoses.
Nausea may occur by inhalation of carbon monoxide, ingestion of medicines (for example, quinine, digitalis, sulfa and furmanovich drugs), as well as in the formation of toxic substances in the body (uremia, diabetes mellitus and others).
Nausea may receive reflex when the irritation of the tongue, throat, and also diseases of abdominal organs (acute appendicitis, cholecystitis, hepatic and renal colic). To nausea can cause severe vitamin a deficiency. Nausea sometimes appears when traveling in a train, car, plane (see Cuddling).
The treatment should be aimed at addressing the underlying disease. To facilitate the patient should apply the symptomatic treatment inhalation liquid ammonia, tincture of peppermint 10-15 drops on a glass of water inside, a yellow card in the epigastric area. Nausea, appearing on an empty stomach, a good result gives drink hot tea. When persistent nausea effective chlorpromazine to 2 ml of 2.5% solution intramuscularly with 3-5 ml of 0.5% solution novokaina or pipolfen 0,025 g inside 1-2 times a day (only on doctor's prescription).