Hello, Thanks for posting, Propofol is a strong anesthetic agent and depending on the dosage, could last for several hours in your system and make you feel sick. But one of the reasons why it is being used widespread nowadays in surgical operations is because most patients recover fast enough from the anesthetic effect and present with little side effects. Even though it usually comes with little side effects but they can make you feel sick for a few days. I do not feel you should worry much about it and continue with your daily activities. How ever you will need to be examine especially with your blood pressure and heart evaluated. Hope this helps