What conditions cause vomiting?
summary
Vomiting is a phenomenon that the contents of the stomach or part of the small intestine are forced out of the body through the esophagus and mouth by the strong contraction of the stomach. General vomiting is often accompanied by nausea. Nausea is the feeling of upper abdominal discomfort and urgent vomiting. Sometimes accompanied by pale skin, sweating, salivation, low blood pressure and bradycardia, often the prelude to vomiting. In general, nausea will be followed by vomiting, but sometimes there is only nausea without vomiting, or vomiting without nausea. There are many causes of vomiting, some are reflex vomiting, some are central vomiting, some are vestibular disturbance vomiting in medical terms.
What conditions cause vomiting?
Reflex vomiting: throat received stimulation, such as cough, nasopharynx inflammation or pus; Acute or chronic gastroenteritis, peptic ulcer, functional dyspepsia, acute gastric distention or pyloric obstruction, duodenal obstruction; Acute appendicitis, personality intestinal obstruction, acute hemorrhagic necrotizing enteritis, abdominal allergic purpura; Acute hepatitis, cirrhosis, hepatic congestion, acute or chronic cholecystitis or pancreatitis; Acute peritonitis; Ureteral calculi, acute pyelonephritis, rupture of ectopic pregnancy, early acute myocardial infarction, heart failure, glaucoma, ametropia.
Central vomiting: intracranial infection, such as meningitis, encephalitis, brain abscess; Cerebrovascular diseases, such as cerebral hemorrhage, cerebral embolism, cerebral thrombosis, hypertensive encephalopathy, migraine; Brain injury, such as brain contusion or intracranial hematoma; Status epilepticus; Systemic diseases, such as uremia, hepatic coma, diabetic pain, acidosis, hyperthyroidism, parathyroid crisis, adrenal insufficiency, hypoglycemia, hyponatremia, early pregnancy.
In addition, the use of some antibiotics, anticancer drugs, digitalis, morphine, etc. can make the vomiting nerve excited, but also cause vomiting; In addition, poisoning can also cause vomiting, such as alcohol, heavy metals, carbon monoxide, organophosphorus pesticides, rodenticides, etc; There are also mental factors can cause vomiting, such as gastric neurosis, hysteria, anorexia and other mental reasons can also cause vomiting. There is, all vomiting with hearing impairment, vertigo and other otological symptoms, need to consider whether vestibular dysfunction vomiting, common are: suppurative otitis media common complications labyrinthitis; Meniere's disease is sudden vertigo with nausea and vomiting; Motion sickness is often referred to as airsickness, carsickness and seasickness.
matters needing attention
If the vomit is * fermented and rotten, it suggests gastric retention. The odor of feces indicates low intestinal obstruction; Gastrinoma or duodenal ulcer were found in patients with a large amount of acidic fluid. The absence of acid taste may be caused by cardiac stenosis or achalasia; Upper gastrointestinal bleeding often appears as brown vomit.
