8. Lightheadedness
If you suddenly feel like you might pass out if you stand up or do a normal activity, it is worth getting yourself checked out. Lightheadedness makes you feel like you are going to pass out. You may feel like throwing up.
Lightheadedness is caused when blood doesn’t reach the brain. There are many causes. Ongoing lightheadedness may have some serious causes. It is worth having it checked out. If you have other symptoms, call for help.