For the past 2 months, I have been experiencing strong nausea each time I eat food. I've started to drop weight very fast and I'm dizzy and exhausted all the time but I have to spit out my food or I'll vomit. I'm not a large person so weight loss is very scary for me. I love food so I don't know what is going on. No fever,only aches, tiredness, nausea and headaches.