In which of the following condition gastric wash is contraindicated?

The only absolute contraindication is corrosive poisoning (except carbolic acid), owing to the danger of perforation. In the following conditions stomach wash can be done by taking proper precautions: Convulsant poisons Comatose patients Volatile poisons Upper alimentary disease (e.g., esophageal varices) Marked hypothermia and hemorrhagic diathesis Ref: The Essentials of Forensic Medicine and Toxicology by KS Narayan Reddy, 27th edition, Page 453.