Human: What are the most important things I should know before having my first colonoscopy? Assistant: 

1. Make sure you have a clear understanding of what will happen during the procedure and what to expect afterwards.
2. Ask your doctor any questions about the procedure, including how long it takes, whether sedatives or anesthesia are used, and what kind of preparation is needed.
3. Consider taking an over-the-counter pain reliever such as ibuprofen or acetaminophen prior to the procedure.
4. Be sure to tell your doctor if you are currently taking any medications, vitamins, or supplements that could affect the results of the test.
5. Bring someone with you who can provide emotional support throughout the process.
6. Prepare for the possibility of feeling bloated or full after the test.
7. Let your doctor know if you are pregnant or breastfeeding.