If you have a little blood in your saliva after your examination, this is normal, and you should not be alarmed. There are, however, a few important things to watch for during the days after your
upper endoscopy.
These include:
- Having any pain in the neck, chest, or abdomen that is not relieved by expelling gas
- Passing black or very dark stool
- Vomiting blood
- Developing a temperature of 100.4 degrees Fahrenheit (which is 38 degrees Celsius) or higher.
If any of these things happen in the hours or days after the endoscopy, tell a healthcare provider immediately. You may need to go to the emergency room.
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