Endoscopy is a procedure to examine the inside of a person's body using a device called endoscope. It is a common and safe medical procedure when performed by a doctor who is well trained to perform these procedures, and the instances of complications are extremely rare. Some minor complications which can occur include localised irritation of the vein where the medicine was administered, reaction to the sedatives or other medication used, complications from pre-existing diseases of the heart, lung, or liver, bleeding from the site of a biopsy, or removal of a polyp, which may cause bleeding but it is, in most cases minor and rarely requires transfusions or surgery, and infection.
Major complications such as perforation (punching a hole through the oesophagus, stomach, or duodenum) or severe bleeding are rare. Some complication may become evident immediately and some may develop over time. Before you leave the hospital, discuss regarding sign or symptoms which are suggestive of complications and may require a consultation, or visit the accident and emergency (A&E) department without delay.
Consult your doctor if you develop one or more of the following signs and symptoms suggestive of complications after an endoscopy:
Consult your doctor if you have questions or concerns about endoscopy, your illness, or any medicine. If there is significant bleeding, consult your doctor immediately.
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