Common contraindications to saline gastric lavage are perforation, mental disorder, serious diseases, taking strong acid and alkali, recent gastric surgery and so on.
1. Perforation: Accidental intake of strong acid or alkali is highly corrosive to the esophagus and stomach, at this time, gastric lavage with a large amount of liquid may cause perforation.
2. Mental disorder: poor mental state, uncontrollable, as well as mental disorder patients are prohibited from using, to avoid causing asphyxiation.
3. Serious diseases: deep coma, cardiopulmonary resuscitation is still in progress, serious cardiopulmonary disease patients are also prohibited gastric lavage.
4. Taking strong acid and alkali: If the patient is taking strong acid and alkali drugs, gastric lavage should also be prohibited, because either emetic gastric lavage or mechanical gastric lavage may cause corrosive gastric perforation.
5. Recent gastric surgery: if the stomach in the short term for some surgery, such as gastroduodenal repair, gastric resection, gastrointestinal fistula, etc., also prohibit gastric lavage, to prevent wound rupture.
Contraindications to gastric lavage should be strictly controlled under the guidance of a doctor to prevent further damage.