That depends on the agent. READ THE LABEL CAREFULLY, and FOLLOW ALL INSTRUCTIONS. Most will give remedies. Some will tell you to induce vomiting (a good reason to keep ipecac syrup in a first aid kit); others will advise against it. (Some substances do more harm coming back up.) Also contact your local poison control center (the number will be in the phone book, usually on the front pages) as soon as possible.
in hospital to gave a medicine
Call 911, drink water, plan on taking a few days off work
Swallowing Bazuka veruca treatment, which typically contains potent ingredients like salicylic acid, is not safe and can lead to serious health issues. If ingested, it may cause gastrointestinal irritation and other adverse effects. If someone accidentally swallows this treatment, it's important to seek medical attention immediately. Always use medications as directed and keep them out of reach of children.
Esophogus
call 911
When you accidentally tell someone something is that you accidentally reveal a secret which you were not supposed to reveal.
No, I have never accidentally used someone else's credit card.
make drink more water
Yes, I have accidentally plagiarized someone's work before and I felt terrible about it.
it gets digested in stomach acids.
Call your poison control number.
"where someone accidentally sits the wrong exam" ??? Um... what? Perhaps you should rephrase this and perhaps someone can answer your question.