What should I do if I'm suffering from really bad memory loss?

Get an evaluation. If you haven't been evaluated yet by your doctor, that might be a good place to start. There are so many reasons for memory problems. Your doctor can evaluate what's going on and take it from there. Often memory problems can be improved, but it helps to be evaluated by a professional. Keep in mind that nobody's memory is perfect. It helps to have a system of keeping notes that you check often.