A colonoscopy is a medical procedure used to examine the large intestine. It involves inserting a thin, flexible tube with a camera, called a colonoscope, through the anus to view the internal lining. This examination helps screen for and diagnose colorectal conditions like polyps, inflammation, or cancer. After the procedure, proper post-care, including rest, is important for recovery.
What to Expect Immediately After
Following a colonoscopy, patients are moved to a recovery area as sedation wears off. Grogginess or drowsiness usually subsides within a few hours. Many individuals also report mild abdominal cramping, bloating, or a gassy feeling. These sensations occur because air or carbon dioxide is introduced into the colon during the procedure to improve visibility. These effects are normal and temporary, though they can cause discomfort.
Why Rest is Recommended
Rest after a colonoscopy is recommended for several medical reasons, primarily due to sedation and the procedure itself. Sedation can impair judgment, coordination, and reflexes for up to 24 hours, making activities requiring concentration unsafe even if a person feels awake. The air or carbon dioxide used during the procedure can cause temporary distension, leading to bloating and gas; resting helps the body naturally expel this gas, alleviating discomfort. If biopsies were taken or polyps removed, resting helps these small wound sites heal without additional strain, reducing the risk of bleeding or other complications.
Activity and Recovery Guidelines
Following a colonoscopy, several activity restrictions are advised to promote safe recovery. Due to the lingering effects of sedation, driving, operating heavy machinery, or engaging in activities requiring sharp reflexes should be avoided for at least 24 hours. This also extends to making important decisions or signing legal documents, as judgment may be impaired. Alcohol consumption should be avoided for at least 24 hours, as it can intensify the sedative effects and potentially interfere with recovery.
Strenuous physical activity, including heavy lifting, intense exercise, or activities that increase abdominal pressure, are discouraged for at least 24 to 48 hours. This precaution helps prevent complications such as bleeding at biopsy or polyp removal sites. While rest is important, light activities like walking are encouraged after a few hours, as they can help alleviate gas and bloating. Most individuals can return to their normal daily routines the day after the procedure, provided they feel well and have no lingering effects from the sedation. If polyps were removed, a slightly longer period of reduced activity may be recommended.
When to Contact Your Doctor
While colonoscopies are safe, it is important to be aware of certain symptoms that may indicate a complication and require immediate medical attention. You should contact your doctor if you experience severe or worsening abdominal pain or cramping that does not improve. Other concerning signs include persistent nausea or vomiting, fever (over 100.4°F or 38°C), or chills. Significant rectal bleeding warrants prompt evaluation. Any difficulty passing gas or having a bowel movement, or symptoms like dizziness or weakness, should also be reported to your healthcare provider.